128273820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{57781}}^1$

素因数の和:57830

約数の個数: 48

約数和(自身を含む): 368880288

約数和(自身を除く): 240606468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 57781, 115562, 173343, 231124, 288905, 346686, 577810, 693372, 866715, 1155620, 1733430, 2137897, 3466860, 4275794, 6413691, 8551588, 10689485, 12827382, 21378970, 25654764, 32068455, 42757940, 64136910, 128273820]

約数ペア:

[(1, 128273820), (2, 64136910), (3, 42757940), (4, 32068455), (5, 25654764), (6, 21378970), (10, 12827382), (12, 10689485), (15, 8551588), (20, 6413691), (30, 4275794), (37, 3466860), (60, 2137897), (74, 1733430), (111, 1155620), (148, 866715), (185, 693372), (222, 577810), (370, 346686), (444, 288905), (555, 231124), (740, 173343), (1110, 115562), (2220, 57781)]