15123790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 31026240

約数和(自身を除く): 15902450

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 121, 145, 242, 290, 319, 431, 605, 638, 862, 1210, 1595, 2155, 3190, 3509, 4310, 4741, 7018, 9482, 12499, 17545, 23705, 24998, 35090, 47410, 52151, 62495, 104302, 124990, 137489, 260755, 274978, 521510, 687445, 1374890, 1512379, 3024758, 7561895, 15123790]

約数ペア:

[(1, 15123790), (2, 7561895), (5, 3024758), (10, 1512379), (11, 1374890), (22, 687445), (29, 521510), (55, 274978), (58, 260755), (110, 137489), (121, 124990), (145, 104302), (242, 62495), (290, 52151), (319, 47410), (431, 35090), (605, 24998), (638, 23705), (862, 17545), (1210, 12499), (1595, 9482), (2155, 7018), (3190, 4741), (3509, 4310)]