1690640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3019}}^1$

素因数の和:3039

約数の個数: 40

約数和(自身を含む): 4493760

約数和(自身を除く): 2803120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3019, 6038, 12076, 15095, 21133, 24152, 30190, 42266, 48304, 60380, 84532, 105665, 120760, 169064, 211330, 241520, 338128, 422660, 845320, 1690640]

約数ペア:

[(1, 1690640), (2, 845320), (4, 422660), (5, 338128), (7, 241520), (8, 211330), (10, 169064), (14, 120760), (16, 105665), (20, 84532), (28, 60380), (35, 48304), (40, 42266), (56, 30190), (70, 24152), (80, 21133), (112, 15095), (140, 12076), (280, 6038), (560, 3019)]