245459240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15227}}^1$

素因数の和:15282

約数の個数: 64

約数和(自身を含む): 613992960

約数和(自身を除く): 368533720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 15227, 16120, 30454, 60908, 76135, 121816, 152270, 197951, 304540, 395902, 472037, 609080, 791804, 944074, 989755, 1583608, 1888148, 1979510, 2360185, 3776296, 3959020, 4720370, 6136481, 7918040, 9440740, 12272962, 18881480, 24545924, 30682405, 49091848, 61364810, 122729620, 245459240]

約数ペア:

[(1, 245459240), (2, 122729620), (4, 61364810), (5, 49091848), (8, 30682405), (10, 24545924), (13, 18881480), (20, 12272962), (26, 9440740), (31, 7918040), (40, 6136481), (52, 4720370), (62, 3959020), (65, 3776296), (104, 2360185), (124, 1979510), (130, 1888148), (155, 1583608), (248, 989755), (260, 944074), (310, 791804), (403, 609080), (520, 472037), (620, 395902), (806, 304540), (1240, 197951), (1612, 152270), (2015, 121816), (3224, 76135), (4030, 60908), (8060, 30454), (15227, 16120)]