231028480

素因数分解:

$2^8\times 5^1\times {\mathrm{180491}}^1$

素因数の和:180512

約数の個数: 36

約数和(自身を含む): 553388472

約数和(自身を除く): 322359992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 180491, 360982, 721964, 902455, 1443928, 1804910, 2887856, 3609820, 5775712, 7219640, 11551424, 14439280, 23102848, 28878560, 46205696, 57757120, 115514240, 231028480]

約数ペア:

[(1, 231028480), (2, 115514240), (4, 57757120), (5, 46205696), (8, 28878560), (10, 23102848), (16, 14439280), (20, 11551424), (32, 7219640), (40, 5775712), (64, 3609820), (80, 2887856), (128, 1804910), (160, 1443928), (256, 902455), (320, 721964), (640, 360982), (1280, 180491)]