import sys
import math

def main():
    n = int(sys.stdin.readline())
    A = list(map(int, sys.stdin.readline().split()))

    result = 0
    last_gcds = dict()

    for a in A:
        current_gcds = dict()
        # 单独成一个子序列
        current_gcds[a] = 1
        # 处理上一步的gcd
        for g in last_gcds:
            new_gcd = math.gcd(g, a)
            if new_gcd in current_gcds:
                current_gcds[new_gcd] += last_gcds[g]
            else:
                current_gcds[new_gcd] = last_gcds[g]
        # 统计结果
        if 1 in current_gcds:
            result += current_gcds[1]
        # 更新last_gcds
        last_gcds = current_gcds

    print(result)

if __name__ == "__main__":
    main()