156408420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{372401}}^1$

素因数の和:372420

約数の個数: 48

約数和(自身を含む): 500508288

約数和(自身を除く): 344099868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 372401, 744802, 1117203, 1489604, 1862005, 2234406, 2606807, 3724010, 4468812, 5213614, 5586015, 7448020, 7820421, 10427228, 11172030, 13034035, 15640842, 22344060, 26068070, 31281684, 39102105, 52136140, 78204210, 156408420]

約数ペア:

[(1, 156408420), (2, 78204210), (3, 52136140), (4, 39102105), (5, 31281684), (6, 26068070), (7, 22344060), (10, 15640842), (12, 13034035), (14, 11172030), (15, 10427228), (20, 7820421), (21, 7448020), (28, 5586015), (30, 5213614), (35, 4468812), (42, 3724010), (60, 2606807), (70, 2234406), (84, 1862005), (105, 1489604), (140, 1117203), (210, 744802), (420, 372401)]