155316840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{184901}}^1$

素因数の和:184922

約数の個数: 64

約数和(自身を含む): 532517760

約数和(自身を除く): 377200920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 184901, 369802, 554703, 739604, 924505, 1109406, 1294307, 1479208, 1849010, 2218812, 2588614, 2773515, 3698020, 3882921, 4437624, 5177228, 5547030, 6471535, 7396040, 7765842, 10354456, 11094060, 12943070, 15531684, 19414605, 22188120, 25886140, 31063368, 38829210, 51772280, 77658420, 155316840]

約数ペア:

[(1, 155316840), (2, 77658420), (3, 51772280), (4, 38829210), (5, 31063368), (6, 25886140), (7, 22188120), (8, 19414605), (10, 15531684), (12, 12943070), (14, 11094060), (15, 10354456), (20, 7765842), (21, 7396040), (24, 6471535), (28, 5547030), (30, 5177228), (35, 4437624), (40, 3882921), (42, 3698020), (56, 2773515), (60, 2588614), (70, 2218812), (84, 1849010), (105, 1479208), (120, 1294307), (140, 1109406), (168, 924505), (210, 739604), (280, 554703), (420, 369802), (840, 184901)]