86185580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 219507456

約数和(自身を除く): 133321876

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 31, 34, 37, 52, 62, 65, 68, 74, 85, 124, 130, 148, 155, 170, 185, 221, 260, 289, 310, 340, 370, 403, 442, 481, 527, 578, 620, 629, 740, 806, 884, 962, 1054, 1105, 1147, 1156, 1258, 1445, 1612, 1924, 2015, 2108, 2210, 2294, 2405, 2516, 2635, 2890, 3145, 3757, 4030, 4420, 4588, 4810, 5270, 5735, 5780, 6290, 6851, 7514, 8060, 8177, 8959, 9620, 10540, 10693, 11470, 12580, 13702, 14911, 15028, 16354, 17918, 18785, 19499, 21386, 22940, 27404, 29822, 32708, 34255, 35836, 37570, 38998, 40885, 42772, 44795, 53465, 59644, 68510, 74555, 75140, 77996, 81770, 89590, 97495, 106930, 116467, 137020, 139009, 149110, 163540, 179180, 194990, 213860, 232934, 253487, 278018, 298220, 331483, 389980, 465868, 506974, 556036, 582335, 662966, 695045, 1013948, 1164670, 1267435, 1325932, 1390090, 1657415, 2329340, 2534870, 2780180, 3314830, 4309279, 5069740, 6629660, 8618558, 17237116, 21546395, 43092790, 86185580]

約数ペア:

[(1, 86185580), (2, 43092790), (4, 21546395), (5, 17237116), (10, 8618558), (13, 6629660), (17, 5069740), (20, 4309279), (26, 3314830), (31, 2780180), (34, 2534870), (37, 2329340), (52, 1657415), (62, 1390090), (65, 1325932), (68, 1267435), (74, 1164670), (85, 1013948), (124, 695045), (130, 662966), (148, 582335), (155, 556036), (170, 506974), (185, 465868), (221, 389980), (260, 331483), (289, 298220), (310, 278018), (340, 253487), (370, 232934), (403, 213860), (442, 194990), (481, 179180), (527, 163540), (578, 149110), (620, 139009), (629, 137020), (740, 116467), (806, 106930), (884, 97495), (962, 89590), (1054, 81770), (1105, 77996), (1147, 75140), (1156, 74555), (1258, 68510), (1445, 59644), (1612, 53465), (1924, 44795), (2015, 42772), (2108, 40885), (2210, 38998), (2294, 37570), (2405, 35836), (2516, 34255), (2635, 32708), (2890, 29822), (3145, 27404), (3757, 22940), (4030, 21386), (4420, 19499), (4588, 18785), (4810, 17918), (5270, 16354), (5735, 15028), (5780, 14911), (6290, 13702), (6851, 12580), (7514, 11470), (8060, 10693), (8177, 10540), (8959, 9620)]