240128560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{428801}}^1$

素因数の和:428821

約数の個数: 40

約数和(自身を含む): 638057376

約数和(自身を除く): 397928816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 428801, 857602, 1715204, 2144005, 3001607, 3430408, 4288010, 6003214, 6860816, 8576020, 12006428, 15008035, 17152040, 24012856, 30016070, 34304080, 48025712, 60032140, 120064280, 240128560]

約数ペア:

[(1, 240128560), (2, 120064280), (4, 60032140), (5, 48025712), (7, 34304080), (8, 30016070), (10, 24012856), (14, 17152040), (16, 15008035), (20, 12006428), (28, 8576020), (35, 6860816), (40, 6003214), (56, 4288010), (70, 3430408), (80, 3001607), (112, 2144005), (140, 1715204), (280, 857602), (560, 428801)]