#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
#define FOR(i,m,n) for(int i=(m);i<(n);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) (v).begin(),(v).end()
using ll = long long;
constexpr int INF = 0x3f3f3f3f;
constexpr long long LINF = 0x3f3f3f3f3f3f3f3fLL;
constexpr double EPS = 1e-8;
constexpr int MOD = 1000000007;
// constexpr int MOD = 998244353;
constexpr int DY[]{1, 0, -1, 0}, DX[]{0, -1, 0, 1};
constexpr int DY8[]{1, 1, 0, -1, -1, -1, 0, 1}, DX8[]{0, -1, -1, -1, 0, 1, 1, 1};
template <typename T, typename U> inline bool chmax(T &a, U b) { return a < b ? (a = b, true) : false; }
template <typename T, typename U> inline bool chmin(T &a, U b) { return a > b ? (a = b, true) : false; }
struct IOSetup {
  IOSetup() {
    std::cin.tie(nullptr);
    std::ios_base::sync_with_stdio(false);
    std::cout << fixed << setprecision(20);
  }
} iosetup;

std::vector<int> prime_sieve(int n, bool get_only_prime) {
  std::vector<int> prime, smallest_prime_factor(n + 1);
  std::iota(smallest_prime_factor.begin(), smallest_prime_factor.end(), 0);
  for (int i = 2; i <= n; ++i) {
    if (smallest_prime_factor[i] == i) prime.emplace_back(i);
    for (int p : prime) {
      if (i * p > n || p > smallest_prime_factor[i]) break;
      smallest_prime_factor[i * p] = p;
    }
  }
  return get_only_prime ? prime : smallest_prime_factor;
}

struct osa_k {
  std::vector<int> smallest_prime_factor;

  osa_k(int n = 10000000) : smallest_prime_factor(prime_sieve(n, false)) {}

  std::vector<std::pair<int, int>> query(int n) const {
    std::vector<std::pair<int, int>> res;
    while (n > 1) {
      int prime = smallest_prime_factor[n], exponent = 0;
      while (smallest_prime_factor[n] == prime) {
        ++exponent;
        n /= prime;
      }
      res.emplace_back(prime, exponent);
    }
    return res;
  }
};

struct Xor128 {
  int rand() {
    unsigned int t = x ^ (x << 11);
    x = y; y = z; z = w; w = (w ^ (w >> 19)) ^ (t ^ (t >> 8));
    return static_cast<int>(w);
  }
  int rand(int ub) {
    int res = rand() % ub;
    return res < 0 ? res + ub : res;
  }
  int rand(int lb, int ub) { return lb + rand(ub - lb); }
  long long randll() {
    unsigned long long res = static_cast<unsigned long long>(rand()) << 32;
    return static_cast<long long>(res | rand());
  }
  long long randll(long long ub) {
    long long res = randll() % ub;
    return res < 0 ? res + ub : res;
  }
  long long randll(long long lb, long long ub) { return lb + randll(ub - lb); }
private:
  unsigned int x = 123456789, y = 362436069, z = 521288629, w = static_cast<unsigned int>(std::time(nullptr));
} xor128;

int main() {
  constexpr int M = 1000000;
  osa_k osa(M);
  ll rn[M + 1]{};
  REP(i, M + 1) rn[i] = xor128.randll();

  int n; cin >> n;
  vector<ll> b(n, 0);
  REP(i, n) {
    int a; cin >> a;
    for (const auto [p, ex] : osa.query(a)) {
      if (ex % 2 == 1) b[i] ^= rn[p];
    }
  }
  FOR(i, 1, n) b[i] ^= b[i - 1];
  map<ll, int> cnt{{0, 1}};
  REP(i, n) ++cnt[b[i]];
  ll ans = 0;
  for (const auto [_, num] : cnt) ans += num * (num - 1LL) / 2;
  cout << ans << '\n';
  return 0;
}