87113180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{8081}}^1$

素因数の和:8115

約数の個数: 72

約数和(自身を含む): 232179696

約数和(自身を除く): 145066516

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 8081, 10780, 16162, 32324, 40405, 56567, 80810, 88891, 113134, 161620, 177782, 226268, 282835, 355564, 395969, 444455, 565670, 622237, 791938, 888910, 1131340, 1244474, 1583876, 1777820, 1979845, 2488948, 3111185, 3959690, 4355659, 6222370, 7919380, 8711318, 12444740, 17422636, 21778295, 43556590, 87113180]

約数ペア:

[(1, 87113180), (2, 43556590), (4, 21778295), (5, 17422636), (7, 12444740), (10, 8711318), (11, 7919380), (14, 6222370), (20, 4355659), (22, 3959690), (28, 3111185), (35, 2488948), (44, 1979845), (49, 1777820), (55, 1583876), (70, 1244474), (77, 1131340), (98, 888910), (110, 791938), (140, 622237), (154, 565670), (196, 444455), (220, 395969), (245, 355564), (308, 282835), (385, 226268), (490, 177782), (539, 161620), (770, 113134), (980, 88891), (1078, 80810), (1540, 56567), (2156, 40405), (2695, 32324), (5390, 16162), (8081, 10780)]