89915580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11617}}^1$

素因数の和:11675

約数の個数: 72

約数和(自身を含む): 279110832

約数和(自身を除く): 189195252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 11617, 23234, 34851, 46468, 58085, 69702, 104553, 116170, 139404, 174255, 209106, 232340, 348510, 418212, 499531, 522765, 697020, 999062, 1045530, 1498593, 1998124, 2091060, 2497655, 2997186, 4495779, 4995310, 5994372, 7492965, 8991558, 9990620, 14985930, 17983116, 22478895, 29971860, 44957790, 89915580]

約数ペア:

[(1, 89915580), (2, 44957790), (3, 29971860), (4, 22478895), (5, 17983116), (6, 14985930), (9, 9990620), (10, 8991558), (12, 7492965), (15, 5994372), (18, 4995310), (20, 4495779), (30, 2997186), (36, 2497655), (43, 2091060), (45, 1998124), (60, 1498593), (86, 1045530), (90, 999062), (129, 697020), (172, 522765), (180, 499531), (215, 418212), (258, 348510), (387, 232340), (430, 209106), (516, 174255), (645, 139404), (774, 116170), (860, 104553), (1290, 69702), (1548, 58085), (1935, 46468), (2580, 34851), (3870, 23234), (7740, 11617)]