123648460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 312157440

約数和(自身を除く): 188508980

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 29, 31, 46, 52, 58, 62, 65, 92, 115, 116, 124, 130, 145, 155, 230, 260, 290, 299, 310, 377, 403, 460, 529, 580, 598, 620, 667, 713, 754, 806, 899, 1058, 1196, 1334, 1426, 1495, 1508, 1612, 1798, 1885, 2015, 2116, 2645, 2668, 2852, 2990, 3335, 3565, 3596, 3770, 4030, 4495, 5290, 5980, 6670, 6877, 7130, 7540, 8060, 8671, 8990, 9269, 10580, 11687, 13340, 13754, 14260, 15341, 16399, 17342, 17980, 18538, 20677, 23374, 27508, 30682, 32798, 34385, 34684, 37076, 41354, 43355, 46345, 46748, 58435, 61364, 65596, 68770, 76705, 81995, 82708, 86710, 92690, 103385, 116870, 137540, 153410, 163990, 173420, 185380, 199433, 206770, 213187, 233740, 268801, 306820, 327980, 398866, 413540, 426374, 475571, 537602, 797732, 852748, 951142, 997165, 1065935, 1075204, 1344005, 1902284, 1994330, 2131870, 2377855, 2688010, 3988660, 4263740, 4755710, 5376020, 6182423, 9511420, 12364846, 24729692, 30912115, 61824230, 123648460]

約数ペア:

[(1, 123648460), (2, 61824230), (4, 30912115), (5, 24729692), (10, 12364846), (13, 9511420), (20, 6182423), (23, 5376020), (26, 4755710), (29, 4263740), (31, 3988660), (46, 2688010), (52, 2377855), (58, 2131870), (62, 1994330), (65, 1902284), (92, 1344005), (115, 1075204), (116, 1065935), (124, 997165), (130, 951142), (145, 852748), (155, 797732), (230, 537602), (260, 475571), (290, 426374), (299, 413540), (310, 398866), (377, 327980), (403, 306820), (460, 268801), (529, 233740), (580, 213187), (598, 206770), (620, 199433), (667, 185380), (713, 173420), (754, 163990), (806, 153410), (899, 137540), (1058, 116870), (1196, 103385), (1334, 92690), (1426, 86710), (1495, 82708), (1508, 81995), (1612, 76705), (1798, 68770), (1885, 65596), (2015, 61364), (2116, 58435), (2645, 46748), (2668, 46345), (2852, 43355), (2990, 41354), (3335, 37076), (3565, 34684), (3596, 34385), (3770, 32798), (4030, 30682), (4495, 27508), (5290, 23374), (5980, 20677), (6670, 18538), (6877, 17980), (7130, 17342), (7540, 16399), (8060, 15341), (8671, 14260), (8990, 13754), (9269, 13340), (10580, 11687)]