15801730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^2$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 34534080

約数和(自身を除く): 18732350

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 109, 133, 190, 218, 266, 545, 665, 763, 1090, 1330, 1526, 2071, 3815, 4142, 7630, 10355, 11881, 14497, 20710, 23762, 28994, 59405, 72485, 83167, 118810, 144970, 166334, 225739, 415835, 451478, 831670, 1128695, 1580173, 2257390, 3160346, 7900865, 15801730]

約数ペア:

[(1, 15801730), (2, 7900865), (5, 3160346), (7, 2257390), (10, 1580173), (14, 1128695), (19, 831670), (35, 451478), (38, 415835), (70, 225739), (95, 166334), (109, 144970), (133, 118810), (190, 83167), (218, 72485), (266, 59405), (545, 28994), (665, 23762), (763, 20710), (1090, 14497), (1330, 11881), (1526, 10355), (2071, 7630), (3815, 4142)]