253987320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2116561}}^1$

素因数の和:2116575

約数の個数: 32

約数和(自身を含む): 761962320

約数和(自身を除く): 507975000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2116561, 4233122, 6349683, 8466244, 10582805, 12699366, 16932488, 21165610, 25398732, 31748415, 42331220, 50797464, 63496830, 84662440, 126993660, 253987320]

約数ペア:

[(1, 253987320), (2, 126993660), (3, 84662440), (4, 63496830), (5, 50797464), (6, 42331220), (8, 31748415), (10, 25398732), (12, 21165610), (15, 16932488), (20, 12699366), (24, 10582805), (30, 8466244), (40, 6349683), (60, 4233122), (120, 2116561)]