81646440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{680387}}^1$

素因数の和:680401

約数の個数: 32

約数和(自身を含む): 244939680

約数和(自身を除く): 163293240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 680387, 1360774, 2041161, 2721548, 3401935, 4082322, 5443096, 6803870, 8164644, 10205805, 13607740, 16329288, 20411610, 27215480, 40823220, 81646440]

約数ペア:

[(1, 81646440), (2, 40823220), (3, 27215480), (4, 20411610), (5, 16329288), (6, 13607740), (8, 10205805), (10, 8164644), (12, 6803870), (15, 5443096), (20, 4082322), (24, 3401935), (30, 2721548), (40, 2041161), (60, 1360774), (120, 680387)]