12641220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{70229}}^1$

素因数の和:70244

約数の個数: 36

約数和(自身を含む): 38345580

約数和(自身を除く): 25704360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 70229, 140458, 210687, 280916, 351145, 421374, 632061, 702290, 842748, 1053435, 1264122, 1404580, 2106870, 2528244, 3160305, 4213740, 6320610, 12641220]

約数ペア:

[(1, 12641220), (2, 6320610), (3, 4213740), (4, 3160305), (5, 2528244), (6, 2106870), (9, 1404580), (10, 1264122), (12, 1053435), (15, 842748), (18, 702290), (20, 632061), (30, 421374), (36, 351145), (45, 280916), (60, 210687), (90, 140458), (180, 70229)]