271291240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{751}}^1\times {\mathrm{821}}^1$

素因数の和:1594

約数の個数: 64

約数和(自身を含む): 667595520

約数和(自身を除く): 396304280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 751, 821, 1502, 1642, 3004, 3284, 3755, 4105, 6008, 6568, 7510, 8210, 8261, 9031, 15020, 16420, 16522, 18062, 30040, 32840, 33044, 36124, 41305, 45155, 66088, 72248, 82610, 90310, 165220, 180620, 330440, 361240, 616571, 1233142, 2466284, 3082855, 4932568, 6165710, 6782281, 12331420, 13564562, 24662840, 27129124, 33911405, 54258248, 67822810, 135645620, 271291240]

約数ペア:

[(1, 271291240), (2, 135645620), (4, 67822810), (5, 54258248), (8, 33911405), (10, 27129124), (11, 24662840), (20, 13564562), (22, 12331420), (40, 6782281), (44, 6165710), (55, 4932568), (88, 3082855), (110, 2466284), (220, 1233142), (440, 616571), (751, 361240), (821, 330440), (1502, 180620), (1642, 165220), (3004, 90310), (3284, 82610), (3755, 72248), (4105, 66088), (6008, 45155), (6568, 41305), (7510, 36124), (8210, 33044), (8261, 32840), (9031, 30040), (15020, 18062), (16420, 16522)]