n = int(input())
A = list(map(int,input().split()))

divs = set()
divnum = {}
for a in A:
    for i in range(1,int(a**0.5)+1):
        if a%i:
            continue
        divs.add(i)
        divnum[i] = divnum.get(i,0)+1
        divs.add(a//i)
        if i != a//i:
            divnum[a//i] = divnum.get(a//i,0)+1            


divs = sorted(divs)
le = len(divs)
dp = [[0]*(n+1) for i in range(le)]
for i in range(le)[::-1]:
    d = divs[i]
    num = divnum[d]
    dp[i][num] = 1
    base = 1
    for j in range(num):
        base *= num-j
        base //= (j+1)
        dp[i][num-j-1] = base

    for j in range(i+1,le):
        if divs[j]%d:
            continue
        for k in range(num+1):
            dp[i][k] -= dp[j][k]

print(sum(dp[0][1:]))