# 問題　N^K の正の約数であって、M 以下のものの個数を求めてください。
# Nを素因数分解　、小さい因数の値について、何条あるか


def factoring(n):
    i = 2
    fact = []
    while True:
        if n < i * i:
            break
        if n % i == 0:
            fact.append(i)
            n //= i
        else:
            i += 1
    fact.append(n)
    print(fact)
    t = fact[0]
    fact_converted = []
    cnt = 0
    for x in fact:
        if t == x:
            cnt += 1
        else:
            fact_converted.append([t, cnt])
            t = x
            cnt = 1
    fact_converted.append([t, cnt])

    return fact_converted


def count(mass, fact, k, M, leng):
    if mass > M:
        return 0
    if k == leng:
        return 1
    cnt = 0
    for i in range(fact[k][1] + 1):
        cnt += count(mass * (fact[k][0] ** i), fact, k + 1, M, leng)

    return cnt


N, K, M = map(int, input().split())
fact = [[x[0], x[1] * K] for x in factoring(N)]
leng = len(fact)
print (count(1, fact, 0, M, leng))