12808620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6469}}^1$

素因数の和:6495

約数の個数: 72

約数和(自身を含む): 42391440

約数和(自身を除く): 29582820

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, 6469, 12938, 19407, 25876, 32345, 38814, 58221, 64690, 71159, 77628, 97035, 116442, 129380, 142318, 194070, 213477, 232884, 284636, 291105, 355795, 388140, 426954, 582210, 640431, 711590, 853908, 1067385, 1164420, 1280862, 1423180, 2134770, 2561724, 3202155, 4269540, 6404310, 12808620]

約数ペア:

[(1, 12808620), (2, 6404310), (3, 4269540), (4, 3202155), (5, 2561724), (6, 2134770), (9, 1423180), (10, 1280862), (11, 1164420), (12, 1067385), (15, 853908), (18, 711590), (20, 640431), (22, 582210), (30, 426954), (33, 388140), (36, 355795), (44, 291105), (45, 284636), (55, 232884), (60, 213477), (66, 194070), (90, 142318), (99, 129380), (110, 116442), (132, 97035), (165, 77628), (180, 71159), (198, 64690), (220, 58221), (330, 38814), (396, 32345), (495, 25876), (660, 19407), (990, 12938), (1980, 6469)]