n=int(input()) a=list(map(int,input().split())) tmplist=[] for i in range(1,max(a)+1): tmp=0 for anum in a: if anum%i==0: tmp+=1 tmplist.append(tmp) for i in range(n): if (n-i) in tmplist: v=tmplist[::-1].index(n-i) ans=len(tmplist)-v print(ans) else: print(ans)