256590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{2851}}^1$

素因数の和:2864

約数の個数: 24

約数和(自身を含む): 667368

約数和(自身を除く): 410778

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2851, 5702, 8553, 14255, 17106, 25659, 28510, 42765, 51318, 85530, 128295, 256590]

約数ペア:

[(1, 256590), (2, 128295), (3, 85530), (5, 51318), (6, 42765), (9, 28510), (10, 25659), (15, 17106), (18, 14255), (30, 8553), (45, 5702), (90, 2851)]