# verification-helper: PROBLEM https://yukicoder.me/problems/no/847

import sys
sys.path.append("../../")

def factorization(n: int) -> int:
    arr, tmp = [], n
    for i in range(2, int(-(-n ** 0.5 // 1)) + 1):
        if tmp % i == 0:
            cnt = 0
            while tmp % i == 0:
                cnt += 1
                tmp //= i
            arr.append([i, cnt])

    if tmp != 1:
        arr.append([tmp, 1])

    return arr

def dfs(a: list, now: int):
    global ans
    if len(a) == l and now <= m:
        ans += 1
        return

    for i in range(fac[len(a)][1] + 1):
        now *= fac[len(a)][0] ** i
        if now <= m:
            dfs(a + [i], now)
            now //= fac[len(a)][0] ** i
        else:
            return

n, k, m = map(int, input().split())

fac = factorization(n)
l = len(fac)

for i in range(l):
    fac[i][1] *= k

ans = 0
dfs([], 1)
print(ans)