128212920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32377}}^1$

素因数の和:32405

約数の個数: 96

約数和(自身を含む): 454587120

約数和(自身を除く): 326374200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 32377, 64754, 97131, 129508, 161885, 194262, 259016, 291393, 323770, 356147, 388524, 485655, 582786, 647540, 712294, 777048, 971310, 1068441, 1165572, 1295080, 1424588, 1456965, 1780735, 1942620, 2136882, 2331144, 2849176, 2913930, 3205323, 3561470, 3885240, 4273764, 5342205, 5827860, 6410646, 7122940, 8547528, 10684410, 11655720, 12821292, 14245880, 16026615, 21368820, 25642584, 32053230, 42737640, 64106460, 128212920]

約数ペア:

[(1, 128212920), (2, 64106460), (3, 42737640), (4, 32053230), (5, 25642584), (6, 21368820), (8, 16026615), (9, 14245880), (10, 12821292), (11, 11655720), (12, 10684410), (15, 8547528), (18, 7122940), (20, 6410646), (22, 5827860), (24, 5342205), (30, 4273764), (33, 3885240), (36, 3561470), (40, 3205323), (44, 2913930), (45, 2849176), (55, 2331144), (60, 2136882), (66, 1942620), (72, 1780735), (88, 1456965), (90, 1424588), (99, 1295080), (110, 1165572), (120, 1068441), (132, 971310), (165, 777048), (180, 712294), (198, 647540), (220, 582786), (264, 485655), (330, 388524), (360, 356147), (396, 323770), (440, 291393), (495, 259016), (660, 194262), (792, 161885), (990, 129508), (1320, 97131), (1980, 64754), (3960, 32377)]