81664080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{340267}}^1$

素因数の和:340283

約数の個数: 40

約数和(自身を含む): 253159392

約数和(自身を除く): 171495312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 340267, 680534, 1020801, 1361068, 1701335, 2041602, 2722136, 3402670, 4083204, 5104005, 5444272, 6805340, 8166408, 10208010, 13610680, 16332816, 20416020, 27221360, 40832040, 81664080]

約数ペア:

[(1, 81664080), (2, 40832040), (3, 27221360), (4, 20416020), (5, 16332816), (6, 13610680), (8, 10208010), (10, 8166408), (12, 6805340), (15, 5444272), (16, 5104005), (20, 4083204), (24, 3402670), (30, 2722136), (40, 2041602), (48, 1701335), (60, 1361068), (80, 1020801), (120, 680534), (240, 340267)]