import java.util.Scanner;

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 count = 0;
        for(int i = x;i <= y; i++) {
            if((z % i) == 0) {
                count++;
            }
        }
        System.out.print(count);
    }
}