import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {
    public static void main(String[] args) {
    	try{
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			String buf = br.readLine();
			StringTokenizer st=new StringTokenizer(buf," ");
	    	int a = Integer.parseInt(st.nextToken());
	    	int b = Integer.parseInt(st.nextToken());
	    	int c = Integer.parseInt(st.nextToken());
			int cnt=0;
	    	if(a <= b && 1<=a && 1<= b && 1<=c && a<=10000 && b<=10000 && c<=10000){

	    		for(int i=a; i <= b;i++){
	    			if( (c/i) >=1 && (c%i)==0)	cnt++;
	    		}
	    		System.out.println(cnt);
	    	}

    	} catch(IOException e) {
    		System.err.println(e);
		}
    }
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io import java.util.StringTokenizer; StringTokenizer java.util public class Main {
    public static void main(String[] args) {
    	try{
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			String buf = br.readLine();
			StringTokenizer st=new StringTokenizer(buf," ");
	    	int a = Integer.parseInt(st.nextToken());
	    	int b = Integer.parseInt(st.nextToken());
	    	int c = Integer.parseInt(st.nextToken());
			int cnt=0;
	    	if(a <= b && 1<=a && 1<= b && 1<=c && a<=10000 && b<=10000 && c<=10000){

	    		for(int i=a; i <= b;i++){
	    			if( (c/i) >=1 && (c%i)==0)	cnt++;
	    		}
	    		System.out.println(cnt);
	    	}

    	} catch(IOException e) {
    		System.err.println(e);
		}
    }
} Main public static void main(String[] args) {
    	try{
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			String buf = br.readLine();
			StringTokenizer st=new StringTokenizer(buf," ");
	    	int a = Integer.parseInt(st.nextToken());
	    	int b = Integer.parseInt(st.nextToken());
	    	int c = Integer.parseInt(st.nextToken());
			int cnt=0;
	    	if(a <= b && 1<=a && 1<= b && 1<=c && a<=10000 && b<=10000 && c<=10000){

	    		for(int i=a; i <= b;i++){
	    			if( (c/i) >=1 && (c%i)==0)	cnt++;
	    		}
	    		System.out.println(cnt);
	    	}

    	} catch(IOException e) {
    		System.err.println(e);
		}
    } main {
    	try{
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			String buf = br.readLine();
			StringTokenizer st=new StringTokenizer(buf," ");
	    	int a = Integer.parseInt(st.nextToken());
	    	int b = Integer.parseInt(st.nextToken());
	    	int c = Integer.parseInt(st.nextToken());
			int cnt=0;
	    	if(a <= b && 1<=a && 1<= b && 1<=c && a<=10000 && b<=10000 && c<=10000){

	    		for(int i=a; i <= b;i++){
	    			if( (c/i) >=1 && (c%i)==0)	cnt++;
	    		}
	    		System.out.println(cnt);
	    	}

    	} catch(IOException e) {
    		System.err.println(e);
		}
    } try{
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			String buf = br.readLine();
			StringTokenizer st=new StringTokenizer(buf," ");
	    	int a = Integer.parseInt(st.nextToken());
	    	int b = Integer.parseInt(st.nextToken());
	    	int c = Integer.parseInt(st.nextToken());
			int cnt=0;
	    	if(a <= b && 1<=a && 1<= b && 1<=c && a<=10000 && b<=10000 && c<=10000){

	    		for(int i=a; i <= b;i++){
	    			if( (c/i) >=1 && (c%i)==0)	cnt++;
	    		}
	    		System.out.println(cnt);
	    	}

    	} catch(IOException e) {
    		System.err.println(e);
		} catch(IOException e) {
    		System.err.println(e);
		} IOException e {
    		System.err.println(e);
		} System.err.println(e) System.err.println System.err System System.err e {
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			String buf = br.readLine();
			StringTokenizer st=new StringTokenizer(buf," ");
	    	int a = Integer.parseInt(st.nextToken());
	    	int b = Integer.parseInt(st.nextToken());
	    	int c = Integer.parseInt(st.nextToken());
			int cnt=0;
	    	if(a <= b && 1<=a && 1<= b && 1<=c && a<=10000 && b<=10000 && c<=10000){

	    		for(int i=a; i <= b;i++){
	    			if( (c/i) >=1 && (c%i)==0)	cnt++;
	    		}
	    		System.out.println(cnt);
	    	}

    	} InputStreamReader isr = new InputStreamReader(System.in); isr new InputStreamReader(System.in) BufferedReader br = new BufferedReader(isr); br new BufferedReader(isr) String buf = br.readLine(); buf br.readLine() br.readLine br StringTokenizer st=new StringTokenizer(buf," "); st new StringTokenizer(buf," ") int a = Integer.parseInt(st.nextToken()); a Integer.parseInt(st.nextToken()) Integer.parseInt Integer st.nextToken() st.nextToken st int b = Integer.parseInt(st.nextToken()); b Integer.parseInt(st.nextToken()) Integer.parseInt Integer st.nextToken() st.nextToken st int c = Integer.parseInt(st.nextToken()); c Integer.parseInt(st.nextToken()) Integer.parseInt Integer st.nextToken() st.nextToken st int cnt=0; cnt 0 if(a <= b && 1<=a && 1<= b && 1<=c && a<=10000 && b<=10000 && c<=10000){

	    		for(int i=a; i <= b;i++){
	    			if( (c/i) >=1 && (c%i)==0)	cnt++;
	    		}
	    		System.out.println(cnt);
	    	} a <= b && 1<=a && 1<= b && 1<=c && a<=10000 && b<=10000 && c<=10000 b<=10000 a<=10000 1<=c 1<= b a <= b && 1<=a && 1<= b && 1<=c && a<=10000 && b<=10000 && c<=10000 a <= b a b 1<=a 1 a 1<= b 1 b 1<=c 1 c a<=10000 a 10000 b<=10000 b 10000 c<=10000 c 10000 {

	    		for(int i=a; i <= b;i++){
	    			if( (c/i) >=1 && (c%i)==0)	cnt++;
	    		}
	    		System.out.println(cnt);
	    	} for(int i=a; i <= b;i++){
	    			if( (c/i) >=1 && (c%i)==0)	cnt++;
	    		} int i=a; int i=a; i a i <= b i b i++ i++ i {
	    			if( (c/i) >=1 && (c%i)==0)	cnt++;
	    		} {
	    			if( (c/i) >=1 && (c%i)==0)	cnt++;
	    		} if( (c/i) >=1 && (c%i)==0)	cnt++; (c/i) >=1 && (c%i)==0 (c/i) >=1 (c/i) c i 1 (c%i)==0 (c%i) c i 0 cnt++ cnt System.out.println(cnt) System.out.println System.out System System.out cnt String[] args args public class Main {
    public static void main(String[] args) {
    	try{
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			String buf = br.readLine();
			StringTokenizer st=new StringTokenizer(buf," ");
	    	int a = Integer.parseInt(st.nextToken());
	    	int b = Integer.parseInt(st.nextToken());
	    	int c = Integer.parseInt(st.nextToken());
			int cnt=0;
	    	if(a <= b && 1<=a && 1<= b && 1<=c && a<=10000 && b<=10000 && c<=10000){

	    		for(int i=a; i <= b;i++){
	    			if( (c/i) >=1 && (c%i)==0)	cnt++;
	    		}
	    		System.out.println(cnt);
	    	}

    	} catch(IOException e) {
    		System.err.println(e);
		}
    }
} public class Main {
    public static void main(String[] args) {
    	try{
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			String buf = br.readLine();
			StringTokenizer st=new StringTokenizer(buf," ");
	    	int a = Integer.parseInt(st.nextToken());
	    	int b = Integer.parseInt(st.nextToken());
	    	int c = Integer.parseInt(st.nextToken());
			int cnt=0;
	    	if(a <= b && 1<=a && 1<= b && 1<=c && a<=10000 && b<=10000 && c<=10000){

	    		for(int i=a; i <= b;i++){
	    			if( (c/i) >=1 && (c%i)==0)	cnt++;
	    		}
	    		System.out.println(cnt);
	    	}

    	} catch(IOException e) {
    		System.err.println(e);
		}
    }
} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {
    public static void main(String[] args) {
    	try{
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			String buf = br.readLine();
			StringTokenizer st=new StringTokenizer(buf," ");
	    	int a = Integer.parseInt(st.nextToken());
	    	int b = Integer.parseInt(st.nextToken());
	    	int c = Integer.parseInt(st.nextToken());
			int cnt=0;
	    	if(a <= b && 1<=a && 1<= b && 1<=c && a<=10000 && b<=10000 && c<=10000){

	    		for(int i=a; i <= b;i++){
	    			if( (c/i) >=1 && (c%i)==0)	cnt++;
	    		}
	    		System.out.println(cnt);
	    	}

    	} catch(IOException e) {
    		System.err.println(e);
		}
    }
}