28906140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{481769}}^1$

素因数の和:481781

約数の個数: 24

約数和(自身を含む): 80937360

約数和(自身を除く): 52031220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 481769, 963538, 1445307, 1927076, 2408845, 2890614, 4817690, 5781228, 7226535, 9635380, 14453070, 28906140]

約数ペア:

[(1, 28906140), (2, 14453070), (3, 9635380), (4, 7226535), (5, 5781228), (6, 4817690), (10, 2890614), (12, 2408845), (15, 1927076), (20, 1445307), (30, 963538), (60, 481769)]