21745680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8237}}^1$

素因数の和:8264

約数の個数: 80

約数和(自身を含む): 73548864

約数和(自身を除く): 51803184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 8237, 16474, 24711, 32948, 41185, 49422, 65896, 82370, 90607, 98844, 123555, 131792, 164740, 181214, 197688, 247110, 271821, 329480, 362428, 395376, 453035, 494220, 543642, 658960, 724856, 906070, 988440, 1087284, 1359105, 1449712, 1812140, 1976880, 2174568, 2718210, 3624280, 4349136, 5436420, 7248560, 10872840, 21745680]

約数ペア:

[(1, 21745680), (2, 10872840), (3, 7248560), (4, 5436420), (5, 4349136), (6, 3624280), (8, 2718210), (10, 2174568), (11, 1976880), (12, 1812140), (15, 1449712), (16, 1359105), (20, 1087284), (22, 988440), (24, 906070), (30, 724856), (33, 658960), (40, 543642), (44, 494220), (48, 453035), (55, 395376), (60, 362428), (66, 329480), (80, 271821), (88, 247110), (110, 197688), (120, 181214), (132, 164740), (165, 131792), (176, 123555), (220, 98844), (240, 90607), (264, 82370), (330, 65896), (440, 49422), (528, 41185), (660, 32948), (880, 24711), (1320, 16474), (2640, 8237)]