1818621240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{891481}}^1$

素因数の和:891512

約数の個数: 64

約数和(自身を含む): 5776803360

約数和(自身を除く): 3958182120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 891481, 1782962, 2674443, 3565924, 4457405, 5348886, 7131848, 8914810, 10697772, 13372215, 15155177, 17829620, 21395544, 26744430, 30310354, 35659240, 45465531, 53488860, 60620708, 75775885, 90931062, 106977720, 121241416, 151551770, 181862124, 227327655, 303103540, 363724248, 454655310, 606207080, 909310620, 1818621240]

約数ペア:

[(1, 1818621240), (2, 909310620), (3, 606207080), (4, 454655310), (5, 363724248), (6, 303103540), (8, 227327655), (10, 181862124), (12, 151551770), (15, 121241416), (17, 106977720), (20, 90931062), (24, 75775885), (30, 60620708), (34, 53488860), (40, 45465531), (51, 35659240), (60, 30310354), (68, 26744430), (85, 21395544), (102, 17829620), (120, 15155177), (136, 13372215), (170, 10697772), (204, 8914810), (255, 7131848), (340, 5348886), (408, 4457405), (510, 3565924), (680, 2674443), (1020, 1782962), (2040, 891481)]