2813220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{15629}}^1$

素因数の和:15644

約数の個数: 36

約数和(自身を含む): 8533980

約数和(自身を除く): 5720760

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 15629, 31258, 46887, 62516, 78145, 93774, 140661, 156290, 187548, 234435, 281322, 312580, 468870, 562644, 703305, 937740, 1406610, 2813220]

約数ペア:

[(1, 2813220), (2, 1406610), (3, 937740), (4, 703305), (5, 562644), (6, 468870), (9, 312580), (10, 281322), (12, 234435), (15, 187548), (18, 156290), (20, 140661), (30, 93774), (36, 78145), (45, 62516), (60, 46887), (90, 31258), (180, 15629)]