2149020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11939}}^1$

素因数の和:11954

約数の個数: 36

約数和(自身を含む): 6519240

約数和(自身を除く): 4370220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 11939, 23878, 35817, 47756, 59695, 71634, 107451, 119390, 143268, 179085, 214902, 238780, 358170, 429804, 537255, 716340, 1074510, 2149020]

約数ペア:

[(1, 2149020), (2, 1074510), (3, 716340), (4, 537255), (5, 429804), (6, 358170), (9, 238780), (10, 214902), (12, 179085), (15, 143268), (18, 119390), (20, 107451), (30, 71634), (36, 59695), (45, 47756), (60, 35817), (90, 23878), (180, 11939)]