15939990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1789}}^1$

素因数の和:1819

約数の個数: 80

約数和(自身を含む): 46783440

約数和(自身を除く): 30843450

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 270, 297, 330, 405, 495, 594, 810, 891, 990, 1485, 1782, 1789, 2970, 3578, 4455, 5367, 8910, 8945, 10734, 16101, 17890, 19679, 26835, 32202, 39358, 48303, 53670, 59037, 80505, 96606, 98395, 118074, 144909, 161010, 177111, 196790, 241515, 289818, 295185, 354222, 483030, 531333, 590370, 724545, 885555, 1062666, 1449090, 1593999, 1771110, 2656665, 3187998, 5313330, 7969995, 15939990]

約数ペア:

[(1, 15939990), (2, 7969995), (3, 5313330), (5, 3187998), (6, 2656665), (9, 1771110), (10, 1593999), (11, 1449090), (15, 1062666), (18, 885555), (22, 724545), (27, 590370), (30, 531333), (33, 483030), (45, 354222), (54, 295185), (55, 289818), (66, 241515), (81, 196790), (90, 177111), (99, 161010), (110, 144909), (135, 118074), (162, 98395), (165, 96606), (198, 80505), (270, 59037), (297, 53670), (330, 48303), (405, 39358), (495, 32202), (594, 26835), (810, 19679), (891, 17890), (990, 16101), (1485, 10734), (1782, 8945), (1789, 8910), (2970, 5367), (3578, 4455)]