import random
from collections import defaultdict

MOD = 1788747373638354509

def factor(x: int):
    res = []
    while x % 2 == 0:
        res.append([2, 0])
        while x % 2 == 0:
            res[-1][1] += 1
            x //= 2
    y = 3
    while y * y <= x:
        if x % y == 0:
            res.append([y, 0])
            while x % y == 0:
                res[-1][1] += 1
                x //= y
        y += 2
    if x != 1:
        res.append([x, 1])
    return res

def solve():
    N = int(input())
    A = list(map(int, input().split()))
    
    M = 10**6
    ha = [random.randint(0, MOD-1) for _ in range(M+1)]
    
    memo = {}
    hash_values = [0] * N
    
    for i in range(N):
        if A[i] not in memo:
            val = 0
            for p, e in factor(A[i]):
                val ^= ha[p] * (e & 1)
            memo[A[i]] = val
        hash_values[i] = memo[A[i]]
    
    pref = [0] * (N + 1)
    for i in range(N):
        pref[i + 1] = pref[i] ^ hash_values[i]
    
    ans = 0
    mp = defaultdict(int)
    
    for i in range(N + 1):
        ans += mp[pref[i]]
        mp[pref[i]] += 1
    
    print(ans)

if __name__ == "__main__":
    solve()