51325920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{109}}^2$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 181303920

約数和(自身を除く): 129978000

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, 72, 80, 90, 96, 108, 109, 120, 135, 144, 160, 180, 216, 218, 240, 270, 288, 327, 360, 432, 436, 480, 540, 545, 654, 720, 864, 872, 981, 1080, 1090, 1308, 1440, 1635, 1744, 1962, 2160, 2180, 2616, 2943, 3270, 3488, 3924, 4320, 4360, 4905, 5232, 5886, 6540, 7848, 8720, 9810, 10464, 11772, 11881, 13080, 14715, 15696, 17440, 19620, 23544, 23762, 26160, 29430, 31392, 35643, 39240, 47088, 47524, 52320, 58860, 59405, 71286, 78480, 94176, 95048, 106929, 117720, 118810, 142572, 156960, 178215, 190096, 213858, 235440, 237620, 285144, 320787, 356430, 380192, 427716, 470880, 475240, 534645, 570288, 641574, 712860, 855432, 950480, 1069290, 1140576, 1283148, 1425720, 1603935, 1710864, 1900960, 2138580, 2566296, 2851440, 3207870, 3421728, 4277160, 5132592, 5702880, 6415740, 8554320, 10265184, 12831480, 17108640, 25662960, 51325920]

約数ペア:

[(1, 51325920), (2, 25662960), (3, 17108640), (4, 12831480), (5, 10265184), (6, 8554320), (8, 6415740), (9, 5702880), (10, 5132592), (12, 4277160), (15, 3421728), (16, 3207870), (18, 2851440), (20, 2566296), (24, 2138580), (27, 1900960), (30, 1710864), (32, 1603935), (36, 1425720), (40, 1283148), (45, 1140576), (48, 1069290), (54, 950480), (60, 855432), (72, 712860), (80, 641574), (90, 570288), (96, 534645), (108, 475240), (109, 470880), (120, 427716), (135, 380192), (144, 356430), (160, 320787), (180, 285144), (216, 237620), (218, 235440), (240, 213858), (270, 190096), (288, 178215), (327, 156960), (360, 142572), (432, 118810), (436, 117720), (480, 106929), (540, 95048), (545, 94176), (654, 78480), (720, 71286), (864, 59405), (872, 58860), (981, 52320), (1080, 47524), (1090, 47088), (1308, 39240), (1440, 35643), (1635, 31392), (1744, 29430), (1962, 26160), (2160, 23762), (2180, 23544), (2616, 19620), (2943, 17440), (3270, 15696), (3488, 14715), (3924, 13080), (4320, 11881), (4360, 11772), (4905, 10464), (5232, 9810), (5886, 8720), (6540, 7848)]