205466640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{856111}}^1$

素因数の和:856127

約数の個数: 40

約数和(自身を含む): 636947328

約数和(自身を除く): 431480688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 856111, 1712222, 2568333, 3424444, 4280555, 5136666, 6848888, 8561110, 10273332, 12841665, 13697776, 17122220, 20546664, 25683330, 34244440, 41093328, 51366660, 68488880, 102733320, 205466640]

約数ペア:

[(1, 205466640), (2, 102733320), (3, 68488880), (4, 51366660), (5, 41093328), (6, 34244440), (8, 25683330), (10, 20546664), (12, 17122220), (15, 13697776), (16, 12841665), (20, 10273332), (24, 8561110), (30, 6848888), (40, 5136666), (48, 4280555), (60, 3424444), (80, 2568333), (120, 1712222), (240, 856111)]