61507820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3539}}^1$

素因数の和:3638

約数の個数: 48

約数和(自身を含む): 142732800

約数和(自身を除く): 81224980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 3539, 4345, 7078, 8690, 14156, 17380, 17695, 35390, 38929, 70780, 77858, 155716, 194645, 279581, 389290, 559162, 778580, 1118324, 1397905, 2795810, 3075391, 5591620, 6150782, 12301564, 15376955, 30753910, 61507820]

約数ペア:

[(1, 61507820), (2, 30753910), (4, 15376955), (5, 12301564), (10, 6150782), (11, 5591620), (20, 3075391), (22, 2795810), (44, 1397905), (55, 1118324), (79, 778580), (110, 559162), (158, 389290), (220, 279581), (316, 194645), (395, 155716), (790, 77858), (869, 70780), (1580, 38929), (1738, 35390), (3476, 17695), (3539, 17380), (4345, 14156), (7078, 8690)]