import sys
import math

def main():
    n, *rest = map(int, sys.stdin.read().split())
    A = rest[:n]
    
    result = 0
    current_gcds = {}
    
    for num in A:
        temp_gcds = {}
        # 添加单独的num
        if num in temp_gcds:
            temp_gcds[num] += 1
        else:
            temp_gcds[num] = 1
        
        # 遍历current_gcds中的每个键
        for g in current_gcds:
            new_g = math.gcd(g, num)
            if new_g in temp_gcds:
                temp_gcds[new_g] += current_gcds[g]
            else:
                temp_gcds[new_g] = current_gcds[g]
        
        # 检查是否有GCD为1的情况
        if 1 in temp_gcds:
            result += temp_gcds[1]
        
        # 更新current_gcds为temp_gcds
        current_gcds = temp_gcds.copy()
    
    print(result)

if __name__ == "__main__":
    main()