81860760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75797}}^1$

素因数の和:75817

約数の個数: 64

約数和(自身を含む): 272872800

約数和(自身を除く): 191012040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75797, 151594, 227391, 303188, 378985, 454782, 606376, 682173, 757970, 909564, 1136955, 1364346, 1515940, 1819128, 2046519, 2273910, 2728692, 3031880, 3410865, 4093038, 4547820, 5457384, 6821730, 8186076, 9095640, 10232595, 13643460, 16372152, 20465190, 27286920, 40930380, 81860760]

約数ペア:

[(1, 81860760), (2, 40930380), (3, 27286920), (4, 20465190), (5, 16372152), (6, 13643460), (8, 10232595), (9, 9095640), (10, 8186076), (12, 6821730), (15, 5457384), (18, 4547820), (20, 4093038), (24, 3410865), (27, 3031880), (30, 2728692), (36, 2273910), (40, 2046519), (45, 1819128), (54, 1515940), (60, 1364346), (72, 1136955), (90, 909564), (108, 757970), (120, 682173), (135, 606376), (180, 454782), (216, 378985), (270, 303188), (360, 227391), (540, 151594), (1080, 75797)]