390825840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1628441}}^1$

素因数の和:1628457

約数の個数: 40

約数和(自身を含む): 1211560848

約数和(自身を除く): 820735008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1628441, 3256882, 4885323, 6513764, 8142205, 9770646, 13027528, 16284410, 19541292, 24426615, 26055056, 32568820, 39082584, 48853230, 65137640, 78165168, 97706460, 130275280, 195412920, 390825840]

約数ペア:

[(1, 390825840), (2, 195412920), (3, 130275280), (4, 97706460), (5, 78165168), (6, 65137640), (8, 48853230), (10, 39082584), (12, 32568820), (15, 26055056), (16, 24426615), (20, 19541292), (24, 16284410), (30, 13027528), (40, 9770646), (48, 8142205), (60, 6513764), (80, 4885323), (120, 3256882), (240, 1628441)]