90221220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{501229}}^1$

素因数の和:501244

約数の個数: 36

約数和(自身を含む): 273671580

約数和(自身を除く): 183450360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 501229, 1002458, 1503687, 2004916, 2506145, 3007374, 4511061, 5012290, 6014748, 7518435, 9022122, 10024580, 15036870, 18044244, 22555305, 30073740, 45110610, 90221220]

約数ペア:

[(1, 90221220), (2, 45110610), (3, 30073740), (4, 22555305), (5, 18044244), (6, 15036870), (9, 10024580), (10, 9022122), (12, 7518435), (15, 6014748), (18, 5012290), (20, 4511061), (30, 3007374), (36, 2506145), (45, 2004916), (60, 1503687), (90, 1002458), (180, 501229)]