import java.util.*;

public class Main {
    static int m;
    static int[] keys;
    static long[] values;
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        long k = sc.nextInt();
        m = sc.nextInt();
        HashMap<Integer, Integer> map = new HashMap<>();
        for (int i = 2; i <= Math.sqrt(n); i++) {
            while (n % i == 0) {
                if (map.containsKey(i)) {
                    map.put(i, map.get(i) + 1);
                } else {
                    map.put(i, 1);
                }
                n /= i;
            }
        }
        if (n != 1) {
            if (map.containsKey(n)) {
                map.put(n, map.get(n) + 1);
            } else {
                map.put(n, 1);
            }
        }
        keys = new int[map.size()];
        values = new long[map.size()];
        int idx = 0;
        for (Map.Entry<Integer, Integer> entry : map.entrySet()) {
            keys[idx] = entry.getKey();
            values[idx] = entry.getValue() * k;
            idx++;
        }
        System.out.println(search(0, 1));
    }
    
    static long search(int idx, long v) {
        if (idx >= keys.length) {
            return 1;
        }
        long ans = 0;
        long count = 0;
        while (v <= m && count <= values[idx]) {
            ans += search(idx + 1, v);
            v *= keys[idx];
            count++;
        }
        return ans;
    }
}