import collections
N,K,M = [int(x) for x in input().split()]
def prime_factors(n):
    i = 2
    factors = []
    while i * i <= n:
        if n % i:
            i += 1
        else:
            n //= i
            factors.append(i)
    if n > 1:
        factors.append(n)
    return factors

ps = sorted([1,*prime_factors(N)])
maxcount = {k:v*K for k,v in collections.Counter(ps).items()}

solve = set([1])

def minimum_next(solve):
    m=2**64
    for s in solve:
        for p in ps:
            if collections.Counter(prime_factors(p*s))[p]>maxcount[p]:
                continue
            if p*s not in solve:
                m=min(m,p*s)
    solve.add(m)
while(max(solve)<=M):
    minimum_next(solve)
print(len([x for x in solve if x<=M]))