30307640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{68881}}^1$

素因数の和:68903

約数の個数: 32

約数和(自身を含む): 74392560

約数和(自身を除く): 44084920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 68881, 137762, 275524, 344405, 551048, 688810, 757691, 1377620, 1515382, 2755240, 3030764, 3788455, 6061528, 7576910, 15153820, 30307640]

約数ペア:

[(1, 30307640), (2, 15153820), (4, 7576910), (5, 6061528), (8, 3788455), (10, 3030764), (11, 2755240), (20, 1515382), (22, 1377620), (40, 757691), (44, 688810), (55, 551048), (88, 344405), (110, 275524), (220, 137762), (440, 68881)]