646440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5387}}^1$

素因数の和:5401

約数の個数: 32

約数和(自身を含む): 1939680

約数和(自身を除く): 1293240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5387, 10774, 16161, 21548, 26935, 32322, 43096, 53870, 64644, 80805, 107740, 129288, 161610, 215480, 323220, 646440]

約数ペア:

[(1, 646440), (2, 323220), (3, 215480), (4, 161610), (5, 129288), (6, 107740), (8, 80805), (10, 64644), (12, 53870), (15, 43096), (20, 32322), (24, 26935), (30, 21548), (40, 16161), (60, 10774), (120, 5387)]