128820312

素因数分解:

$2^3\times 3^2\times {\mathrm{503}}^1\times {\mathrm{3557}}^1$

素因数の和:4072

約数の個数: 48

約数和(自身を含む): 349680240

約数和(自身を除く): 220859928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 503, 1006, 1509, 2012, 3018, 3557, 4024, 4527, 6036, 7114, 9054, 10671, 12072, 14228, 18108, 21342, 28456, 32013, 36216, 42684, 64026, 85368, 128052, 256104, 1789171, 3578342, 5367513, 7156684, 10735026, 14313368, 16102539, 21470052, 32205078, 42940104, 64410156, 128820312]

約数ペア:

[(1, 128820312), (2, 64410156), (3, 42940104), (4, 32205078), (6, 21470052), (8, 16102539), (9, 14313368), (12, 10735026), (18, 7156684), (24, 5367513), (36, 3578342), (72, 1789171), (503, 256104), (1006, 128052), (1509, 85368), (2012, 64026), (3018, 42684), (3557, 36216), (4024, 32013), (4527, 28456), (6036, 21342), (7114, 18108), (9054, 14228), (10671, 12072)]