428540580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4259}}^1$

素因数の和:4330

約数の個数: 144

約数和(自身を含む): 1432791360

約数和(自身を除く): 1004250780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 387, 390, 430, 468, 516, 559, 585, 645, 774, 780, 860, 1118, 1170, 1290, 1548, 1677, 1935, 2236, 2340, 2580, 2795, 3354, 3870, 4259, 5031, 5590, 6708, 7740, 8385, 8518, 10062, 11180, 12777, 16770, 17036, 20124, 21295, 25155, 25554, 33540, 38331, 42590, 50310, 51108, 55367, 63885, 76662, 85180, 100620, 110734, 127770, 153324, 166101, 183137, 191655, 221468, 255540, 276835, 332202, 366274, 383310, 498303, 549411, 553670, 664404, 732548, 766620, 830505, 915685, 996606, 1098822, 1107340, 1648233, 1661010, 1831370, 1993212, 2197644, 2380781, 2491515, 2747055, 3296466, 3322020, 3662740, 4761562, 4983030, 5494110, 6592932, 7142343, 8241165, 9523124, 9966060, 10988220, 11903905, 14284686, 16482330, 21427029, 23807810, 28569372, 32964660, 35711715, 42854058, 47615620, 71423430, 85708116, 107135145, 142846860, 214270290, 428540580]

約数ペア:

[(1, 428540580), (2, 214270290), (3, 142846860), (4, 107135145), (5, 85708116), (6, 71423430), (9, 47615620), (10, 42854058), (12, 35711715), (13, 32964660), (15, 28569372), (18, 23807810), (20, 21427029), (26, 16482330), (30, 14284686), (36, 11903905), (39, 10988220), (43, 9966060), (45, 9523124), (52, 8241165), (60, 7142343), (65, 6592932), (78, 5494110), (86, 4983030), (90, 4761562), (117, 3662740), (129, 3322020), (130, 3296466), (156, 2747055), (172, 2491515), (180, 2380781), (195, 2197644), (215, 1993212), (234, 1831370), (258, 1661010), (260, 1648233), (387, 1107340), (390, 1098822), (430, 996606), (468, 915685), (516, 830505), (559, 766620), (585, 732548), (645, 664404), (774, 553670), (780, 549411), (860, 498303), (1118, 383310), (1170, 366274), (1290, 332202), (1548, 276835), (1677, 255540), (1935, 221468), (2236, 191655), (2340, 183137), (2580, 166101), (2795, 153324), (3354, 127770), (3870, 110734), (4259, 100620), (5031, 85180), (5590, 76662), (6708, 63885), (7740, 55367), (8385, 51108), (8518, 50310), (10062, 42590), (11180, 38331), (12777, 33540), (16770, 25554), (17036, 25155), (20124, 21295)]