28585260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14437}}^1$

素因数の和:14463

約数の個数: 72

約数和(自身を含む): 94597776

約数和(自身を除く): 66012516

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, 14437, 28874, 43311, 57748, 72185, 86622, 129933, 144370, 158807, 173244, 216555, 259866, 288740, 317614, 433110, 476421, 519732, 635228, 649665, 794035, 866220, 952842, 1299330, 1429263, 1588070, 1905684, 2382105, 2598660, 2858526, 3176140, 4764210, 5717052, 7146315, 9528420, 14292630, 28585260]

約数ペア:

[(1, 28585260), (2, 14292630), (3, 9528420), (4, 7146315), (5, 5717052), (6, 4764210), (9, 3176140), (10, 2858526), (11, 2598660), (12, 2382105), (15, 1905684), (18, 1588070), (20, 1429263), (22, 1299330), (30, 952842), (33, 866220), (36, 794035), (44, 649665), (45, 635228), (55, 519732), (60, 476421), (66, 433110), (90, 317614), (99, 288740), (110, 259866), (132, 216555), (165, 173244), (180, 158807), (198, 144370), (220, 129933), (330, 86622), (396, 72185), (495, 57748), (660, 43311), (990, 28874), (1980, 14437)]