n,k,m = map(int,input().split())
divs = {}
for i in range(2,int(n**0.5)+1):
    if n%i:
        continue
    c = 0
    while n%i == 0:
        n //= i
        c += 1
    divs[i] = c*k

if n:
    divs[n] = k


dp = set()
dp.add(1)

for key,value in divs.items():
    ndp = set()
    for d in dp:
        ndp.add(d)
        nd = d
        for p in range(value):
            nd *= key
            if nd <= m:
                ndp.add(nd)
            else:
                break
    dp = ndp

print(len(dp))