1680990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 4073760

約数和(自身を除く): 2392770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 409, 411, 685, 818, 822, 1227, 1370, 2045, 2055, 2454, 4090, 4110, 6135, 12270, 56033, 112066, 168099, 280165, 336198, 560330, 840495, 1680990]

約数ペア:

[(1, 1680990), (2, 840495), (3, 560330), (5, 336198), (6, 280165), (10, 168099), (15, 112066), (30, 56033), (137, 12270), (274, 6135), (409, 4110), (411, 4090), (685, 2454), (818, 2055), (822, 2045), (1227, 1370)]