n,k=map(int,input().split())
a=list(map(int,input().split()))
mod=998244353
if k==1:
  print(pow(2,n,mod)-1)
  exit()
import math
from collections import defaultdict
a=[math.gcd(i,k) for i in a]
d=defaultdict(int)
d[1]=1
for i in a:
  d2=d.copy()
  for j in d2:
    m=math.gcd(k,i*j)
    d[m]=(d2[j]+d[m])%mod
print(d[k]%mod)