1231822080

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{109}}^2$

素因数の和:251

約数の個数: 270

約数和(自身を含む): 4448493126

約数和(自身を除く): 3216671046

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, 109, 120, 128, 135, 144, 160, 162, 180, 192, 216, 218, 240, 256, 270, 288, 320, 324, 327, 360, 384, 405, 432, 436, 480, 540, 545, 576, 640, 648, 654, 720, 768, 810, 864, 872, 960, 981, 1080, 1090, 1152, 1280, 1296, 1308, 1440, 1620, 1635, 1728, 1744, 1920, 1962, 2160, 2180, 2304, 2592, 2616, 2880, 2943, 3240, 3270, 3456, 3488, 3840, 3924, 4320, 4360, 4905, 5184, 5232, 5760, 5886, 6480, 6540, 6912, 6976, 7848, 8640, 8720, 8829, 9810, 10368, 10464, 11520, 11772, 11881, 12960, 13080, 13952, 14715, 15696, 17280, 17440, 17658, 19620, 20736, 20928, 23544, 23762, 25920, 26160, 27904, 29430, 31392, 34560, 34880, 35316, 35643, 39240, 41856, 44145, 47088, 47524, 51840, 52320, 58860, 59405, 62784, 69760, 70632, 71286, 78480, 83712, 88290, 94176, 95048, 103680, 104640, 106929, 117720, 118810, 125568, 139520, 141264, 142572, 156960, 176580, 178215, 188352, 190096, 209280, 213858, 235440, 237620, 251136, 282528, 285144, 313920, 320787, 353160, 356430, 376704, 380192, 418560, 427716, 470880, 475240, 534645, 565056, 570288, 627840, 641574, 706320, 712860, 753408, 760384, 855432, 941760, 950480, 962361, 1069290, 1130112, 1140576, 1255680, 1283148, 1412640, 1425720, 1520768, 1603935, 1710864, 1883520, 1900960, 1924722, 2138580, 2260224, 2281152, 2566296, 2825280, 2851440, 3041536, 3207870, 3421728, 3767040, 3801920, 3849444, 4277160, 4562304, 4811805, 5132592, 5650560, 5702880, 6415740, 6843456, 7603840, 7698888, 8554320, 9124608, 9623610, 10265184, 11301120, 11405760, 12831480, 13686912, 15207680, 15397776, 17108640, 19247220, 20530368, 22811520, 25662960, 27373824, 30795552, 34217280, 38494440, 41060736, 45623040, 51325920, 61591104, 68434560, 76988880, 82121472, 102651840, 123182208, 136869120, 153977760, 205303680, 246364416, 307955520, 410607360, 615911040, 1231822080]

約数ペア:

[(1, 1231822080), (2, 615911040), (3, 410607360), (4, 307955520), (5, 246364416), (6, 205303680), (8, 153977760), (9, 136869120), (10, 123182208), (12, 102651840), (15, 82121472), (16, 76988880), (18, 68434560), (20, 61591104), (24, 51325920), (27, 45623040), (30, 41060736), (32, 38494440), (36, 34217280), (40, 30795552), (45, 27373824), (48, 25662960), (54, 22811520), (60, 20530368), (64, 19247220), (72, 17108640), (80, 15397776), (81, 15207680), (90, 13686912), (96, 12831480), (108, 11405760), (109, 11301120), (120, 10265184), (128, 9623610), (135, 9124608), (144, 8554320), (160, 7698888), (162, 7603840), (180, 6843456), (192, 6415740), (216, 5702880), (218, 5650560), (240, 5132592), (256, 4811805), (270, 4562304), (288, 4277160), (320, 3849444), (324, 3801920), (327, 3767040), (360, 3421728), (384, 3207870), (405, 3041536), (432, 2851440), (436, 2825280), (480, 2566296), (540, 2281152), (545, 2260224), (576, 2138580), (640, 1924722), (648, 1900960), (654, 1883520), (720, 1710864), (768, 1603935), (810, 1520768), (864, 1425720), (872, 1412640), (960, 1283148), (981, 1255680), (1080, 1140576), (1090, 1130112), (1152, 1069290), (1280, 962361), (1296, 950480), (1308, 941760), (1440, 855432), (1620, 760384), (1635, 753408), (1728, 712860), (1744, 706320), (1920, 641574), (1962, 627840), (2160, 570288), (2180, 565056), (2304, 534645), (2592, 475240), (2616, 470880), (2880, 427716), (2943, 418560), (3240, 380192), (3270, 376704), (3456, 356430), (3488, 353160), (3840, 320787), (3924, 313920), (4320, 285144), (4360, 282528), (4905, 251136), (5184, 237620), (5232, 235440), (5760, 213858), (5886, 209280), (6480, 190096), (6540, 188352), (6912, 178215), (6976, 176580), (7848, 156960), (8640, 142572), (8720, 141264), (8829, 139520), (9810, 125568), (10368, 118810), (10464, 117720), (11520, 106929), (11772, 104640), (11881, 103680), (12960, 95048), (13080, 94176), (13952, 88290), (14715, 83712), (15696, 78480), (17280, 71286), (17440, 70632), (17658, 69760), (19620, 62784), (20736, 59405), (20928, 58860), (23544, 52320), (23762, 51840), (25920, 47524), (26160, 47088), (27904, 44145), (29430, 41856), (31392, 39240), (34560, 35643), (34880, 35316)]