import sys
import math

def main():
    n = int(sys.stdin.readline())
    a = list(map(int, sys.stdin.readline().split()))
    ans = 0
    prev_gcds = {}

    for num in a:
        current_gcds = {}
        # 将当前元素单独作为一个子序列
        current_gcds[num] = 1
        # 遍历前一个位置的所有可能的gcd值
        for g in prev_gcds:
            new_gcd = math.gcd(g, num)
            if new_gcd in current_gcds:
                current_gcds[new_gcd] += prev_gcds[g]
            else:
                current_gcds[new_gcd] = prev_gcds[g]
        # 统计当前字典中gcd为1的数量
        ans += current_gcds.get(1, 0)
        # 更新prev_gcds为当前的字典
        prev_gcds = current_gcds

    print(ans)

if __name__ == "__main__":
    main()