664702960

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113819}}^1$

素因数の和:113905

約数の個数: 40

約数和(自身を含む): 1566618480

約数和(自身を除く): 901915520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 113819, 227638, 455276, 569095, 910552, 1138190, 1821104, 2276380, 4552760, 8308787, 9105520, 16617574, 33235148, 41543935, 66470296, 83087870, 132940592, 166175740, 332351480, 664702960]

約数ペア:

[(1, 664702960), (2, 332351480), (4, 166175740), (5, 132940592), (8, 83087870), (10, 66470296), (16, 41543935), (20, 33235148), (40, 16617574), (73, 9105520), (80, 8308787), (146, 4552760), (292, 2276380), (365, 1821104), (584, 1138190), (730, 910552), (1168, 569095), (1460, 455276), (2920, 227638), (5840, 113819)]