1812520366960

素因数分解:

$2^4\times 5^1\times {\mathrm{138157}}^1\times {\mathrm{163991}}^1$

素因数の和:302161

約数の個数: 40

約数和(自身を含む): 4214166052896

約数和(自身を除く): 2401645685936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 138157, 163991, 276314, 327982, 552628, 655964, 690785, 819955, 1105256, 1311928, 1381570, 1639910, 2210512, 2623856, 2763140, 3279820, 5526280, 6559640, 11052560, 13119280, 22656504587, 45313009174, 90626018348, 113282522935, 181252036696, 226565045870, 362504073392, 453130091740, 906260183480, 1812520366960]

約数ペア:

[(1, 1812520366960), (2, 906260183480), (4, 453130091740), (5, 362504073392), (8, 226565045870), (10, 181252036696), (16, 113282522935), (20, 90626018348), (40, 45313009174), (80, 22656504587), (138157, 13119280), (163991, 11052560), (276314, 6559640), (327982, 5526280), (552628, 3279820), (655964, 2763140), (690785, 2623856), (819955, 2210512), (1105256, 1639910), (1311928, 1381570)]