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