28285620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2561

約数の個数: 96

約数和(自身を含む): 91518336

約数和(自身を除く): 63232716

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 132, 165, 170, 187, 204, 220, 255, 330, 340, 374, 510, 561, 660, 748, 935, 1020, 1122, 1870, 2244, 2521, 2805, 3740, 5042, 5610, 7563, 10084, 11220, 12605, 15126, 25210, 27731, 30252, 37815, 42857, 50420, 55462, 75630, 83193, 85714, 110924, 128571, 138655, 151260, 166386, 171428, 214285, 257142, 277310, 332772, 415965, 428570, 471427, 514284, 554620, 642855, 831930, 857140, 942854, 1285710, 1414281, 1663860, 1885708, 2357135, 2571420, 2828562, 4714270, 5657124, 7071405, 9428540, 14142810, 28285620]

約数ペア:

[(1, 28285620), (2, 14142810), (3, 9428540), (4, 7071405), (5, 5657124), (6, 4714270), (10, 2828562), (11, 2571420), (12, 2357135), (15, 1885708), (17, 1663860), (20, 1414281), (22, 1285710), (30, 942854), (33, 857140), (34, 831930), (44, 642855), (51, 554620), (55, 514284), (60, 471427), (66, 428570), (68, 415965), (85, 332772), (102, 277310), (110, 257142), (132, 214285), (165, 171428), (170, 166386), (187, 151260), (204, 138655), (220, 128571), (255, 110924), (330, 85714), (340, 83193), (374, 75630), (510, 55462), (561, 50420), (660, 42857), (748, 37815), (935, 30252), (1020, 27731), (1122, 25210), (1870, 15126), (2244, 12605), (2521, 11220), (2805, 10084), (3740, 7563), (5042, 5610)]