N,K,M = map(int, input().split())

i = 2
dic = {}
while N > 1:
    if N%i == 0:
        if i in dic:
            dic[i] += 1
        else:
            dic[i] = 1
        N //= i
    else:
        i += 1
    if i > N**0.5:
        if N in dic:
            dic[N] += 1
        else:
            dic[N] = 1
        break

L = []
for key in dic:
    L.append((key, dic[key]*K))

ans = 0
def f(L, cnt, idx):
    if cnt > M:
        return 0
    if idx == len(L):
        return 1
    res = 0
    temp = L[idx]
    for i in range(temp[1]+1):
        if cnt*temp[0]**i > M:
            break
        res += f(L, cnt*temp[0]**i, idx+1)
    return res

print(f(L, 1, 0))