from collections import defaultdict
import sys
sys.setrecursionlimit(10**6)

def factorization(n):
    arr = defaultdict(int)
    for i in range(2, int(-(-n**0.5//1))+1):
        while n % i == 0:
            arr[i] += 1
            n //= i
    if n != 1:
        arr[n] += 1
    return arr

visited = defaultdict(bool)
def dfs(num, lst):
    for i in range(len(lst)):
        if num <= m:
            visited[num] = True
            if lst[i] < values[i] and not visited[num*keys[i]]:
                lst[i] += 1
                dfs(num*keys[i], lst)
                lst[i] -= 1
        else:
            return 0

n, k, m = map(int, input().split())
if n == 1:
    print(1)
    exit()
f = factorization(n)
keys = list(f.keys())
values = [v*k for v in f.values()]

dfs(1, [0]*len(keys))
print(sum(visited.values()))