7728640

素因数分解:

$2^9\times 5^1\times {\mathrm{3019}}^1$

素因数の和:3042

約数の個数: 40

約数和(自身を含む): 18536760

約数和(自身を除く): 10808120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 3019, 6038, 12076, 15095, 24152, 30190, 48304, 60380, 96608, 120760, 193216, 241520, 386432, 483040, 772864, 966080, 1545728, 1932160, 3864320, 7728640]

約数ペア:

[(1, 7728640), (2, 3864320), (4, 1932160), (5, 1545728), (8, 966080), (10, 772864), (16, 483040), (20, 386432), (32, 241520), (40, 193216), (64, 120760), (80, 96608), (128, 60380), (160, 48304), (256, 30190), (320, 24152), (512, 15095), (640, 12076), (1280, 6038), (2560, 3019)]