820787220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{414539}}^1$

素因数の和:414565

約数の個数: 72

約数和(自身を含む): 2716066080

約数和(自身を除く): 1895278860

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, 414539, 829078, 1243617, 1658156, 2072695, 2487234, 3730851, 4145390, 4559929, 4974468, 6218085, 7461702, 8290780, 9119858, 12436170, 13679787, 14923404, 18239716, 18654255, 22799645, 24872340, 27359574, 37308510, 41039361, 45599290, 54719148, 68398935, 74617020, 82078722, 91198580, 136797870, 164157444, 205196805, 273595740, 410393610, 820787220]

約数ペア:

[(1, 820787220), (2, 410393610), (3, 273595740), (4, 205196805), (5, 164157444), (6, 136797870), (9, 91198580), (10, 82078722), (11, 74617020), (12, 68398935), (15, 54719148), (18, 45599290), (20, 41039361), (22, 37308510), (30, 27359574), (33, 24872340), (36, 22799645), (44, 18654255), (45, 18239716), (55, 14923404), (60, 13679787), (66, 12436170), (90, 9119858), (99, 8290780), (110, 7461702), (132, 6218085), (165, 4974468), (180, 4559929), (198, 4145390), (220, 3730851), (330, 2487234), (396, 2072695), (495, 1658156), (660, 1243617), (990, 829078), (1980, 414539)]