import sys
import math

def main():
    n = int(sys.stdin.readline())
    a = list(map(int, sys.stdin.readline().split()))
    
    total = 0
    prev_gcds = {}
    
    for num in a:
        current_gcds = {}
        # 单独考虑当前数
        current_gcds[num] = 1
        # 遍历prev_gcds中的每个gcd值
        for g in prev_gcds:
            new_g = math.gcd(g, num)
            if new_g in current_gcds:
                current_gcds[new_g] += prev_gcds[g]
            else:
                current_gcds[new_g] = prev_gcds[g]
        # 统计当前的gcd=1的数量
        if 1 in current_gcds:
            total += current_gcds[1]
        # 更新prev_gcds为current_gcds
        prev_gcds = current_gcds
    
    print(total)

if __name__ == "__main__":
    main()