645435180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{275827}}^1$

素因数の和:275855

約数の個数: 72

約数和(自身を含む): 2108429232

約数和(自身を除く): 1462994052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 275827, 551654, 827481, 1103308, 1379135, 1654962, 2482443, 2758270, 3309924, 3585751, 4137405, 4964886, 5516540, 7171502, 8274810, 9929772, 10757253, 12412215, 14343004, 16549620, 17928755, 21514506, 24824430, 32271759, 35857510, 43029012, 49648860, 53786265, 64543518, 71715020, 107572530, 129087036, 161358795, 215145060, 322717590, 645435180]

約数ペア:

[(1, 645435180), (2, 322717590), (3, 215145060), (4, 161358795), (5, 129087036), (6, 107572530), (9, 71715020), (10, 64543518), (12, 53786265), (13, 49648860), (15, 43029012), (18, 35857510), (20, 32271759), (26, 24824430), (30, 21514506), (36, 17928755), (39, 16549620), (45, 14343004), (52, 12412215), (60, 10757253), (65, 9929772), (78, 8274810), (90, 7171502), (117, 5516540), (130, 4964886), (156, 4137405), (180, 3585751), (195, 3309924), (234, 2758270), (260, 2482443), (390, 1654962), (468, 1379135), (585, 1103308), (780, 827481), (1170, 551654), (2340, 275827)]