256961490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{161611}}^1$

素因数の和:161674

約数の個数: 32

約数和(自身を含む): 628347456

約数和(自身を除く): 371385966

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 161611, 323222, 484833, 808055, 969666, 1616110, 2424165, 4848330, 8565383, 17130766, 25696149, 42826915, 51392298, 85653830, 128480745, 256961490]

約数ペア:

[(1, 256961490), (2, 128480745), (3, 85653830), (5, 51392298), (6, 42826915), (10, 25696149), (15, 17130766), (30, 8565383), (53, 4848330), (106, 2424165), (159, 1616110), (265, 969666), (318, 808055), (530, 484833), (795, 323222), (1590, 161611)]