243122220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{122789}}^1$

素因数の和:122815

約数の個数: 72

約数和(自身を含む): 804520080

約数和(自身を除く): 561397860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 122789, 245578, 368367, 491156, 613945, 736734, 1105101, 1227890, 1350679, 1473468, 1841835, 2210202, 2455780, 2701358, 3683670, 4052037, 4420404, 5402716, 5525505, 6753395, 7367340, 8104074, 11051010, 12156111, 13506790, 16208148, 20260185, 22102020, 24312222, 27013580, 40520370, 48624444, 60780555, 81040740, 121561110, 243122220]

約数ペア:

[(1, 243122220), (2, 121561110), (3, 81040740), (4, 60780555), (5, 48624444), (6, 40520370), (9, 27013580), (10, 24312222), (11, 22102020), (12, 20260185), (15, 16208148), (18, 13506790), (20, 12156111), (22, 11051010), (30, 8104074), (33, 7367340), (36, 6753395), (44, 5525505), (45, 5402716), (55, 4420404), (60, 4052037), (66, 3683670), (90, 2701358), (99, 2455780), (110, 2210202), (132, 1841835), (165, 1473468), (180, 1350679), (198, 1227890), (220, 1105101), (330, 736734), (396, 613945), (495, 491156), (660, 368367), (990, 245578), (1980, 122789)]