81406440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{226129}}^1$

素因数の和:226146

約数の個数: 48

約数和(自身を含む): 264572100

約数和(自身を除く): 183165660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 226129, 452258, 678387, 904516, 1130645, 1356774, 1809032, 2035161, 2261290, 2713548, 3391935, 4070322, 4522580, 5427096, 6783870, 8140644, 9045160, 10175805, 13567740, 16281288, 20351610, 27135480, 40703220, 81406440]

約数ペア:

[(1, 81406440), (2, 40703220), (3, 27135480), (4, 20351610), (5, 16281288), (6, 13567740), (8, 10175805), (9, 9045160), (10, 8140644), (12, 6783870), (15, 5427096), (18, 4522580), (20, 4070322), (24, 3391935), (30, 2713548), (36, 2261290), (40, 2035161), (45, 1809032), (60, 1356774), (72, 1130645), (90, 904516), (120, 678387), (180, 452258), (360, 226129)]