405836820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2254649}}^1$

素因数の和:2254664

約数の個数: 36

約数和(自身を含む): 1231038900

約数和(自身を除く): 825202080

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2254649, 4509298, 6763947, 9018596, 11273245, 13527894, 20291841, 22546490, 27055788, 33819735, 40583682, 45092980, 67639470, 81167364, 101459205, 135278940, 202918410, 405836820]

約数ペア:

[(1, 405836820), (2, 202918410), (3, 135278940), (4, 101459205), (5, 81167364), (6, 67639470), (9, 45092980), (10, 40583682), (12, 33819735), (15, 27055788), (18, 22546490), (20, 20291841), (30, 13527894), (36, 11273245), (45, 9018596), (60, 6763947), (90, 4509298), (180, 2254649)]