30855280

素因数分解:

$2^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{859}}^1$

素因数の和:1321

約数の個数: 40

約数和(自身を含む): 71982000

約数和(自身を除く): 41126720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 449, 859, 898, 1718, 1796, 2245, 3436, 3592, 4295, 4490, 6872, 7184, 8590, 8980, 13744, 17180, 17960, 34360, 35920, 68720, 385691, 771382, 1542764, 1928455, 3085528, 3856910, 6171056, 7713820, 15427640, 30855280]

約数ペア:

[(1, 30855280), (2, 15427640), (4, 7713820), (5, 6171056), (8, 3856910), (10, 3085528), (16, 1928455), (20, 1542764), (40, 771382), (80, 385691), (449, 68720), (859, 35920), (898, 34360), (1718, 17960), (1796, 17180), (2245, 13744), (3436, 8980), (3592, 8590), (4295, 7184), (4490, 6872)]