142181820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71809}}^1$

素因数の和:71835

約数の個数: 72

約数和(自身を含む): 470499120

約数和(自身を除く): 328317300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 71809, 143618, 215427, 287236, 359045, 430854, 646281, 718090, 789899, 861708, 1077135, 1292562, 1436180, 1579798, 2154270, 2369697, 2585124, 3159596, 3231405, 3949495, 4308540, 4739394, 6462810, 7109091, 7898990, 9478788, 11848485, 12925620, 14218182, 15797980, 23696970, 28436364, 35545455, 47393940, 71090910, 142181820]

約数ペア:

[(1, 142181820), (2, 71090910), (3, 47393940), (4, 35545455), (5, 28436364), (6, 23696970), (9, 15797980), (10, 14218182), (11, 12925620), (12, 11848485), (15, 9478788), (18, 7898990), (20, 7109091), (22, 6462810), (30, 4739394), (33, 4308540), (36, 3949495), (44, 3231405), (45, 3159596), (55, 2585124), (60, 2369697), (66, 2154270), (90, 1579798), (99, 1436180), (110, 1292562), (132, 1077135), (165, 861708), (180, 789899), (198, 718090), (220, 646281), (330, 430854), (396, 359045), (495, 287236), (660, 215427), (990, 143618), (1980, 71809)]