81678120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{680651}}^1$

素因数の和:680665

約数の個数: 32

約数和(自身を含む): 245034720

約数和(自身を除く): 163356600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 680651, 1361302, 2041953, 2722604, 3403255, 4083906, 5445208, 6806510, 8167812, 10209765, 13613020, 16335624, 20419530, 27226040, 40839060, 81678120]

約数ペア:

[(1, 81678120), (2, 40839060), (3, 27226040), (4, 20419530), (5, 16335624), (6, 13613020), (8, 10209765), (10, 8167812), (12, 6806510), (15, 5445208), (20, 4083906), (24, 3403255), (30, 2722604), (40, 2041953), (60, 1361302), (120, 680651)]