from itertools import *

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

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

    return arr

N, K, M = map(int, input().split())
L, A = [], []

for a, b in factorization(N):
    v, cnt = 1, 0
    while v <= M:
        v *= a
        cnt += 1
    cnt -= 1
    L.append(list(range(min(b * K, cnt) + 1)))
    A.append(a)

ans = 0
for tup in product(*L):
    v = 1
    for i in range(len(tup)):
        v *= pow(A[i], tup[i])
        if v > M:
            break
    if v <= M:
        ans += 1
print(ans)