206531820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{104309}}^1$

素因数の和:104335

約数の個数: 72

約数和(自身を含む): 683439120

約数和(自身を除く): 476907300

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, 104309, 208618, 312927, 417236, 521545, 625854, 938781, 1043090, 1147399, 1251708, 1564635, 1877562, 2086180, 2294798, 3129270, 3442197, 3755124, 4589596, 4693905, 5736995, 6258540, 6884394, 9387810, 10326591, 11473990, 13768788, 17210985, 18775620, 20653182, 22947980, 34421970, 41306364, 51632955, 68843940, 103265910, 206531820]

約数ペア:

[(1, 206531820), (2, 103265910), (3, 68843940), (4, 51632955), (5, 41306364), (6, 34421970), (9, 22947980), (10, 20653182), (11, 18775620), (12, 17210985), (15, 13768788), (18, 11473990), (20, 10326591), (22, 9387810), (30, 6884394), (33, 6258540), (36, 5736995), (44, 4693905), (45, 4589596), (55, 3755124), (60, 3442197), (66, 3129270), (90, 2294798), (99, 2086180), (110, 1877562), (132, 1564635), (165, 1251708), (180, 1147399), (198, 1043090), (220, 938781), (330, 625854), (396, 521545), (495, 417236), (660, 312927), (990, 208618), (1980, 104309)]