205257840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{855241}}^1$

素因数の和:855257

約数の個数: 40

約数和(自身を含む): 636300048

約数和(自身を除く): 431042208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 855241, 1710482, 2565723, 3420964, 4276205, 5131446, 6841928, 8552410, 10262892, 12828615, 13683856, 17104820, 20525784, 25657230, 34209640, 41051568, 51314460, 68419280, 102628920, 205257840]

約数ペア:

[(1, 205257840), (2, 102628920), (3, 68419280), (4, 51314460), (5, 41051568), (6, 34209640), (8, 25657230), (10, 20525784), (12, 17104820), (15, 13683856), (16, 12828615), (20, 10262892), (24, 8552410), (30, 6841928), (40, 5131446), (48, 4276205), (60, 3420964), (80, 2565723), (120, 1710482), (240, 855241)]