n,k=map(int,input().split())
a=list(map(int,input().split()))
import math
from collections import defaultdict
d=defaultdict(int)
d[1]=1
for i in a:
  d2=d.copy()
  for j in d2:
    d[math.gcd(k,i*j)]+=d2[j]
print(d[k])