1280491740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{397}}^1$

素因数の和:610

約数の個数: 240

約数和(自身を含む): 4417437024

約数和(自身を除く): 3136945284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 181, 198, 220, 270, 297, 324, 330, 362, 396, 397, 405, 495, 540, 543, 594, 660, 724, 794, 810, 891, 905, 990, 1086, 1188, 1191, 1485, 1588, 1620, 1629, 1782, 1810, 1980, 1985, 1991, 2172, 2382, 2715, 2970, 3258, 3564, 3573, 3620, 3970, 3982, 4367, 4455, 4764, 4887, 5430, 5940, 5955, 5973, 6516, 7146, 7940, 7964, 8145, 8734, 8910, 9774, 9955, 10719, 10860, 11910, 11946, 13101, 14292, 14661, 16290, 17468, 17820, 17865, 17919, 19548, 19910, 21438, 21835, 23820, 23892, 24435, 26202, 29322, 29865, 32157, 32580, 35730, 35838, 39303, 39820, 42876, 43670, 48870, 52404, 53595, 53757, 58644, 59730, 64314, 65505, 71460, 71676, 71857, 73305, 78606, 87340, 89595, 97740, 107190, 107514, 117909, 119460, 128628, 131010, 143714, 146610, 157212, 160785, 161271, 179190, 196515, 214380, 215028, 215571, 235818, 262020, 268785, 287428, 293220, 321570, 322542, 353727, 358380, 359285, 393030, 431142, 471636, 537570, 589545, 643140, 645084, 646713, 707454, 718570, 786060, 790427, 806355, 862284, 1075140, 1077855, 1179090, 1293426, 1414908, 1437140, 1580854, 1612710, 1768635, 1940139, 2155710, 2358180, 2371281, 2586852, 3161708, 3225420, 3233565, 3537270, 3880278, 3952135, 4311420, 4742562, 5820417, 6467130, 7074540, 7113843, 7760556, 7904270, 9485124, 9700695, 11640834, 11856405, 12934260, 14227686, 15808540, 19401390, 21341529, 23281668, 23712810, 28455372, 29102085, 35569215, 38802780, 42683058, 47425620, 58204170, 64024587, 71138430, 85366116, 106707645, 116408340, 128049174, 142276860, 213415290, 256098348, 320122935, 426830580, 640245870, 1280491740]

約数ペア:

[(1, 1280491740), (2, 640245870), (3, 426830580), (4, 320122935), (5, 256098348), (6, 213415290), (9, 142276860), (10, 128049174), (11, 116408340), (12, 106707645), (15, 85366116), (18, 71138430), (20, 64024587), (22, 58204170), (27, 47425620), (30, 42683058), (33, 38802780), (36, 35569215), (44, 29102085), (45, 28455372), (54, 23712810), (55, 23281668), (60, 21341529), (66, 19401390), (81, 15808540), (90, 14227686), (99, 12934260), (108, 11856405), (110, 11640834), (132, 9700695), (135, 9485124), (162, 7904270), (165, 7760556), (180, 7113843), (181, 7074540), (198, 6467130), (220, 5820417), (270, 4742562), (297, 4311420), (324, 3952135), (330, 3880278), (362, 3537270), (396, 3233565), (397, 3225420), (405, 3161708), (495, 2586852), (540, 2371281), (543, 2358180), (594, 2155710), (660, 1940139), (724, 1768635), (794, 1612710), (810, 1580854), (891, 1437140), (905, 1414908), (990, 1293426), (1086, 1179090), (1188, 1077855), (1191, 1075140), (1485, 862284), (1588, 806355), (1620, 790427), (1629, 786060), (1782, 718570), (1810, 707454), (1980, 646713), (1985, 645084), (1991, 643140), (2172, 589545), (2382, 537570), (2715, 471636), (2970, 431142), (3258, 393030), (3564, 359285), (3573, 358380), (3620, 353727), (3970, 322542), (3982, 321570), (4367, 293220), (4455, 287428), (4764, 268785), (4887, 262020), (5430, 235818), (5940, 215571), (5955, 215028), (5973, 214380), (6516, 196515), (7146, 179190), (7940, 161271), (7964, 160785), (8145, 157212), (8734, 146610), (8910, 143714), (9774, 131010), (9955, 128628), (10719, 119460), (10860, 117909), (11910, 107514), (11946, 107190), (13101, 97740), (14292, 89595), (14661, 87340), (16290, 78606), (17468, 73305), (17820, 71857), (17865, 71676), (17919, 71460), (19548, 65505), (19910, 64314), (21438, 59730), (21835, 58644), (23820, 53757), (23892, 53595), (24435, 52404), (26202, 48870), (29322, 43670), (29865, 42876), (32157, 39820), (32580, 39303), (35730, 35838)]