318960990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{393779}}^1$

素因数の和:393798

約数の個数: 40

約数和(自身を含む): 857652840

約数和(自身を除く): 538691850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 393779, 787558, 1181337, 1968895, 2362674, 3544011, 3937790, 5906685, 7088022, 10632033, 11813370, 17720055, 21264066, 31896099, 35440110, 53160165, 63792198, 106320330, 159480495, 318960990]

約数ペア:

[(1, 318960990), (2, 159480495), (3, 106320330), (5, 63792198), (6, 53160165), (9, 35440110), (10, 31896099), (15, 21264066), (18, 17720055), (27, 11813370), (30, 10632033), (45, 7088022), (54, 5906685), (81, 3937790), (90, 3544011), (135, 2362674), (162, 1968895), (270, 1181337), (405, 787558), (810, 393779)]