81686820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{677}}^1\times {\mathrm{2011}}^1$

素因数の和:2700

約数の個数: 48

約数和(自身を含む): 229174848

約数和(自身を除く): 147488028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 677, 1354, 2011, 2031, 2708, 3385, 4022, 4062, 6033, 6770, 8044, 8124, 10055, 10155, 12066, 13540, 20110, 20310, 24132, 30165, 40220, 40620, 60330, 120660, 1361447, 2722894, 4084341, 5445788, 6807235, 8168682, 13614470, 16337364, 20421705, 27228940, 40843410, 81686820]

約数ペア:

[(1, 81686820), (2, 40843410), (3, 27228940), (4, 20421705), (5, 16337364), (6, 13614470), (10, 8168682), (12, 6807235), (15, 5445788), (20, 4084341), (30, 2722894), (60, 1361447), (677, 120660), (1354, 60330), (2011, 40620), (2031, 40220), (2708, 30165), (3385, 24132), (4022, 20310), (4062, 20110), (6033, 13540), (6770, 12066), (8044, 10155), (8124, 10055)]