920320

素因数分解:

$2^8\times 5^1\times {\mathrm{719}}^1$

素因数の和:740

約数の個数: 36

約数和(自身を含む): 2207520

約数和(自身を除く): 1287200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 719, 1280, 1438, 2876, 3595, 5752, 7190, 11504, 14380, 23008, 28760, 46016, 57520, 92032, 115040, 184064, 230080, 460160, 920320]

約数ペア:

[(1, 920320), (2, 460160), (4, 230080), (5, 184064), (8, 115040), (10, 92032), (16, 57520), (20, 46016), (32, 28760), (40, 23008), (64, 14380), (80, 11504), (128, 7190), (160, 5752), (256, 3595), (320, 2876), (640, 1438), (719, 1280)]