1661480

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{569}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 3796200

約数和(自身を除く): 2134720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 569, 584, 730, 1138, 1460, 2276, 2845, 2920, 4552, 5690, 11380, 22760, 41537, 83074, 166148, 207685, 332296, 415370, 830740, 1661480]

約数ペア:

[(1, 1661480), (2, 830740), (4, 415370), (5, 332296), (8, 207685), (10, 166148), (20, 83074), (40, 41537), (73, 22760), (146, 11380), (292, 5690), (365, 4552), (569, 2920), (584, 2845), (730, 2276), (1138, 1460)]