15122120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2237}}^1$

素因数の和:2274

約数の個数: 48

約数和(自身を含む): 36859860

約数和(自身を除く): 21737740

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2237, 3380, 4474, 6760, 8948, 11185, 17896, 22370, 29081, 44740, 58162, 89480, 116324, 145405, 232648, 290810, 378053, 581620, 756106, 1163240, 1512212, 1890265, 3024424, 3780530, 7561060, 15122120]

約数ペア:

[(1, 15122120), (2, 7561060), (4, 3780530), (5, 3024424), (8, 1890265), (10, 1512212), (13, 1163240), (20, 756106), (26, 581620), (40, 378053), (52, 290810), (65, 232648), (104, 145405), (130, 116324), (169, 89480), (260, 58162), (338, 44740), (520, 29081), (676, 22370), (845, 17896), (1352, 11185), (1690, 8948), (2237, 6760), (3380, 4474)]