291225060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{231131}}^1$

素因数の和:231153

約数の個数: 72

約数和(自身を含む): 1009584576

約数和(自身を除く): 718359516

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 231131, 462262, 693393, 924524, 1155655, 1386786, 1617917, 2080179, 2311310, 2773572, 3235834, 3466965, 4160358, 4622620, 4853751, 6471668, 6933930, 8089585, 8320716, 9707502, 10400895, 13867860, 14561253, 16179170, 19415004, 20801790, 24268755, 29122506, 32358340, 41603580, 48537510, 58245012, 72806265, 97075020, 145612530, 291225060]

約数ペア:

[(1, 291225060), (2, 145612530), (3, 97075020), (4, 72806265), (5, 58245012), (6, 48537510), (7, 41603580), (9, 32358340), (10, 29122506), (12, 24268755), (14, 20801790), (15, 19415004), (18, 16179170), (20, 14561253), (21, 13867860), (28, 10400895), (30, 9707502), (35, 8320716), (36, 8089585), (42, 6933930), (45, 6471668), (60, 4853751), (63, 4622620), (70, 4160358), (84, 3466965), (90, 3235834), (105, 2773572), (126, 2311310), (140, 2080179), (180, 1617917), (210, 1386786), (252, 1155655), (315, 924524), (420, 693393), (630, 462262), (1260, 231131)]