20512543680

素因数分解:

$2^6\times 3^6\times 5^1\times {\mathrm{87931}}^1$

素因数の和:87966

約数の個数: 196

約数和(自身を含む): 73235573112

約数和(自身を除く): 52723029432

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, 243, 270, 288, 320, 324, 360, 405, 432, 480, 486, 540, 576, 648, 720, 729, 810, 864, 960, 972, 1080, 1215, 1296, 1440, 1458, 1620, 1728, 1944, 2160, 2430, 2592, 2880, 2916, 3240, 3645, 3888, 4320, 4860, 5184, 5832, 6480, 7290, 7776, 8640, 9720, 11664, 12960, 14580, 15552, 19440, 23328, 25920, 29160, 38880, 46656, 58320, 77760, 87931, 116640, 175862, 233280, 263793, 351724, 439655, 527586, 703448, 791379, 879310, 1055172, 1318965, 1406896, 1582758, 1758620, 2110344, 2374137, 2637930, 2813792, 3165516, 3517240, 3956895, 4220688, 4748274, 5275860, 5627584, 6331032, 7034480, 7122411, 7913790, 8441376, 9496548, 10551720, 11870685, 12662064, 14068960, 14244822, 15827580, 16882752, 18993096, 21103440, 21367233, 23741370, 25324128, 28137920, 28489644, 31655160, 35612055, 37986192, 42206880, 42734466, 47482740, 50648256, 56979288, 63310320, 64101699, 71224110, 75972384, 84413760, 85468932, 94965480, 106836165, 113958576, 126620640, 128203398, 142448220, 151944768, 170937864, 189930960, 213672330, 227917152, 253241280, 256406796, 284896440, 320508495, 341875728, 379861920, 427344660, 455834304, 512813592, 569792880, 641016990, 683751456, 759723840, 854689320, 1025627184, 1139585760, 1282033980, 1367502912, 1709378640, 2051254368, 2279171520, 2564067960, 3418757280, 4102508736, 5128135920, 6837514560, 10256271840, 20512543680]

約数ペア:

[(1, 20512543680), (2, 10256271840), (3, 6837514560), (4, 5128135920), (5, 4102508736), (6, 3418757280), (8, 2564067960), (9, 2279171520), (10, 2051254368), (12, 1709378640), (15, 1367502912), (16, 1282033980), (18, 1139585760), (20, 1025627184), (24, 854689320), (27, 759723840), (30, 683751456), (32, 641016990), (36, 569792880), (40, 512813592), (45, 455834304), (48, 427344660), (54, 379861920), (60, 341875728), (64, 320508495), (72, 284896440), (80, 256406796), (81, 253241280), (90, 227917152), (96, 213672330), (108, 189930960), (120, 170937864), (135, 151944768), (144, 142448220), (160, 128203398), (162, 126620640), (180, 113958576), (192, 106836165), (216, 94965480), (240, 85468932), (243, 84413760), (270, 75972384), (288, 71224110), (320, 64101699), (324, 63310320), (360, 56979288), (405, 50648256), (432, 47482740), (480, 42734466), (486, 42206880), (540, 37986192), (576, 35612055), (648, 31655160), (720, 28489644), (729, 28137920), (810, 25324128), (864, 23741370), (960, 21367233), (972, 21103440), (1080, 18993096), (1215, 16882752), (1296, 15827580), (1440, 14244822), (1458, 14068960), (1620, 12662064), (1728, 11870685), (1944, 10551720), (2160, 9496548), (2430, 8441376), (2592, 7913790), (2880, 7122411), (2916, 7034480), (3240, 6331032), (3645, 5627584), (3888, 5275860), (4320, 4748274), (4860, 4220688), (5184, 3956895), (5832, 3517240), (6480, 3165516), (7290, 2813792), (7776, 2637930), (8640, 2374137), (9720, 2110344), (11664, 1758620), (12960, 1582758), (14580, 1406896), (15552, 1318965), (19440, 1055172), (23328, 879310), (25920, 791379), (29160, 703448), (38880, 527586), (46656, 439655), (58320, 351724), (77760, 263793), (87931, 233280), (116640, 175862)]