import java.util.*;
import java.io.*;

public class Main {
    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String[] first = br.readLine().split(" ", 2);
        int n = Integer.parseInt(first[0]);
        int p = Integer.parseInt(first[1]);
        TreeSet<Integer> prime = new TreeSet<>();
        for (int i = 2; i <= Math.sqrt(p); i++) {
            while (p % i == 0) {
                prime.add(i);
                p /= i;
            }
        }
        if (p != 1) {
            prime.add(p);
        }
        int x = prime.first();
        for (int i = 2; i * x <= n; i++) {
            if (isPrime(i)) {
                prime.add(i);
            }
        }
        x = prime.first();
        for (int i = 2; i * x <= n; i++) {
            if (isPrime(i)) {
                prime.add(i);
            }
        }
        HashSet<Integer> set = new HashSet<>();
        for (int y : prime) {
            for (int i = 1; i * y <= n; i++) {
                set.add(i * y);
            }
        }
        System.out.println(set.size());
    }
    
    static boolean isPrime(int x) {
        for (int i = 2; i <= Math.sqrt(x); i++) {
            if (x % i == 0) {
                return false;
            }
        }
        return true;
    }
}