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

public class Main {
    static int m;
    static long k;
    static int[] values;
    static int[] times;
    static int length;
    static int ans = 0;
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        k = sc.nextInt();
        m = sc.nextInt();
        HashMap<Integer, Integer> counts = new HashMap<>();
        for (int i = 2; i <= Math.sqrt(n); i++) {
            while (n % i == 0) {
                counts.put(i, counts.getOrDefault(i, 0) + 1);
                n /= i;
            }
        }
        if (n > 1) {
            counts.put(n, counts.getOrDefault(n, 0) + 1);
        }
        int idx = 0;
        length = counts.size();
        values = new int[length];
        times = new int[length];
        for (int x : counts.keySet()) {
            values[idx] = x;
            times[idx] = counts.get(x);
            idx++;
        }
        check(0, 1);
        System.out.println(ans);
    }
    
    static void check(int idx, long v) {
        if (idx >= length) {
            ans++;
            return;
        }
        for (int i = 0; i <= times[idx] * k && v <= m; i++) {
            check(idx + 1, v);
            v *= values[idx];
        }
    }
}

class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public double nextDouble() throws Exception {
        return Double.parseDouble(next());
    }
    
    public String next() throws Exception {
        while (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
}