261526860

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1609}}^1$

素因数の和:1677

約数の個数: 192

約数和(自身を含む): 952089600

約数和(自身を除く): 690562740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 60, 63, 70, 84, 86, 90, 105, 108, 126, 129, 135, 140, 172, 180, 189, 210, 215, 252, 258, 270, 301, 315, 378, 387, 420, 430, 516, 540, 602, 630, 645, 756, 774, 860, 903, 945, 1161, 1204, 1260, 1290, 1505, 1548, 1609, 1806, 1890, 1935, 2322, 2580, 2709, 3010, 3218, 3612, 3780, 3870, 4515, 4644, 4827, 5418, 5805, 6020, 6436, 7740, 8045, 8127, 9030, 9654, 10836, 11263, 11610, 13545, 14481, 16090, 16254, 18060, 19308, 22526, 23220, 24135, 27090, 28962, 32180, 32508, 33789, 40635, 43443, 45052, 48270, 54180, 56315, 57924, 67578, 69187, 72405, 81270, 86886, 96540, 101367, 112630, 135156, 138374, 144810, 162540, 168945, 173772, 202734, 207561, 217215, 225260, 276748, 289620, 304101, 337890, 345935, 405468, 415122, 434430, 484309, 506835, 608202, 622683, 675780, 691870, 830244, 868860, 968618, 1013670, 1037805, 1216404, 1245366, 1383740, 1452927, 1520505, 1868049, 1937236, 2027340, 2075610, 2421545, 2490732, 2905854, 3041010, 3113415, 3736098, 4151220, 4358781, 4843090, 5811708, 6082020, 6226830, 7264635, 7472196, 8717562, 9340245, 9686180, 12453660, 13076343, 14529270, 17435124, 18680490, 21793905, 26152686, 29058540, 37360980, 43587810, 52305372, 65381715, 87175620, 130763430, 261526860]

約数ペア:

[(1, 261526860), (2, 130763430), (3, 87175620), (4, 65381715), (5, 52305372), (6, 43587810), (7, 37360980), (9, 29058540), (10, 26152686), (12, 21793905), (14, 18680490), (15, 17435124), (18, 14529270), (20, 13076343), (21, 12453660), (27, 9686180), (28, 9340245), (30, 8717562), (35, 7472196), (36, 7264635), (42, 6226830), (43, 6082020), (45, 5811708), (54, 4843090), (60, 4358781), (63, 4151220), (70, 3736098), (84, 3113415), (86, 3041010), (90, 2905854), (105, 2490732), (108, 2421545), (126, 2075610), (129, 2027340), (135, 1937236), (140, 1868049), (172, 1520505), (180, 1452927), (189, 1383740), (210, 1245366), (215, 1216404), (252, 1037805), (258, 1013670), (270, 968618), (301, 868860), (315, 830244), (378, 691870), (387, 675780), (420, 622683), (430, 608202), (516, 506835), (540, 484309), (602, 434430), (630, 415122), (645, 405468), (756, 345935), (774, 337890), (860, 304101), (903, 289620), (945, 276748), (1161, 225260), (1204, 217215), (1260, 207561), (1290, 202734), (1505, 173772), (1548, 168945), (1609, 162540), (1806, 144810), (1890, 138374), (1935, 135156), (2322, 112630), (2580, 101367), (2709, 96540), (3010, 86886), (3218, 81270), (3612, 72405), (3780, 69187), (3870, 67578), (4515, 57924), (4644, 56315), (4827, 54180), (5418, 48270), (5805, 45052), (6020, 43443), (6436, 40635), (7740, 33789), (8045, 32508), (8127, 32180), (9030, 28962), (9654, 27090), (10836, 24135), (11263, 23220), (11610, 22526), (13545, 19308), (14481, 18060), (16090, 16254)]