import java.util.Scanner;

public class Main{
  public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    int a = scan.nextInt();
    int b = scan.nextInt();
    int c = scan.nextInt();
    int x = 0;
    for( int i = a ; i <= b ; i++ ){
      if( (c % i) == 0 ){
        x++;
      }
     System.out.println(x);
    }
  }
 }