315644080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{91757}}^1$

素因数の和:91813

約数の個数: 40

約数和(自身を含む): 750947472

約数和(自身を除く): 435303392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 91757, 183514, 367028, 458785, 734056, 917570, 1468112, 1835140, 3670280, 3945551, 7340560, 7891102, 15782204, 19727755, 31564408, 39455510, 63128816, 78911020, 157822040, 315644080]

約数ペア:

[(1, 315644080), (2, 157822040), (4, 78911020), (5, 63128816), (8, 39455510), (10, 31564408), (16, 19727755), (20, 15782204), (40, 7891102), (43, 7340560), (80, 3945551), (86, 3670280), (172, 1835140), (215, 1468112), (344, 917570), (430, 734056), (688, 458785), (860, 367028), (1720, 183514), (3440, 91757)]