255545280

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{9859}}^1$

素因数の和:9888

約数の個数: 140

約数和(自身を含む): 909111720

約数和(自身を除く): 653566440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 9859, 12960, 19718, 25920, 29577, 39436, 49295, 59154, 78872, 88731, 98590, 118308, 147885, 157744, 177462, 197180, 236616, 266193, 295770, 315488, 354924, 394360, 443655, 473232, 532386, 591540, 630976, 709848, 788720, 798579, 887310, 946464, 1064772, 1183080, 1330965, 1419696, 1577440, 1597158, 1774620, 1892928, 2129544, 2366160, 2661930, 2839392, 3154880, 3194316, 3549240, 3992895, 4259088, 4732320, 5323860, 5678784, 6388632, 7098480, 7985790, 8518176, 9464640, 10647720, 12777264, 14196960, 15971580, 17036352, 21295440, 25554528, 28393920, 31943160, 42590880, 51109056, 63886320, 85181760, 127772640, 255545280]

約数ペア:

[(1, 255545280), (2, 127772640), (3, 85181760), (4, 63886320), (5, 51109056), (6, 42590880), (8, 31943160), (9, 28393920), (10, 25554528), (12, 21295440), (15, 17036352), (16, 15971580), (18, 14196960), (20, 12777264), (24, 10647720), (27, 9464640), (30, 8518176), (32, 7985790), (36, 7098480), (40, 6388632), (45, 5678784), (48, 5323860), (54, 4732320), (60, 4259088), (64, 3992895), (72, 3549240), (80, 3194316), (81, 3154880), (90, 2839392), (96, 2661930), (108, 2366160), (120, 2129544), (135, 1892928), (144, 1774620), (160, 1597158), (162, 1577440), (180, 1419696), (192, 1330965), (216, 1183080), (240, 1064772), (270, 946464), (288, 887310), (320, 798579), (324, 788720), (360, 709848), (405, 630976), (432, 591540), (480, 532386), (540, 473232), (576, 443655), (648, 394360), (720, 354924), (810, 315488), (864, 295770), (960, 266193), (1080, 236616), (1296, 197180), (1440, 177462), (1620, 157744), (1728, 147885), (2160, 118308), (2592, 98590), (2880, 88731), (3240, 78872), (4320, 59154), (5184, 49295), (6480, 39436), (8640, 29577), (9859, 25920), (12960, 19718)]