21490591680

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{3067}}^1$

素因数の和:3904

約数の個数: 224

約数和(自身を含む): 75932263680

約数和(自身を除く): 54441672000

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, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 811, 864, 960, 1080, 1440, 1622, 1728, 2160, 2433, 2880, 3067, 3244, 4055, 4320, 4866, 6134, 6488, 7299, 8110, 8640, 9201, 9732, 12165, 12268, 12976, 14598, 15335, 16220, 18402, 19464, 21897, 24330, 24536, 25952, 27603, 29196, 30670, 32440, 36495, 36804, 38928, 43794, 46005, 48660, 49072, 51904, 55206, 58392, 61340, 64880, 72990, 73608, 77856, 82809, 87588, 92010, 97320, 98144, 109485, 110412, 116784, 122680, 129760, 138015, 145980, 147216, 155712, 165618, 175176, 184020, 194640, 196288, 218970, 220824, 233568, 245360, 259520, 276030, 291960, 294432, 331236, 350352, 368040, 389280, 414045, 437940, 441648, 467136, 490720, 552060, 583920, 588864, 662472, 700704, 736080, 778560, 828090, 875880, 883296, 981440, 1104120, 1167840, 1324944, 1401408, 1472160, 1656180, 1751760, 1766592, 2208240, 2335680, 2487337, 2649888, 2944320, 3312360, 3503520, 4416480, 4974674, 5299776, 6624720, 7007040, 7462011, 8832960, 9949348, 12436685, 13249440, 14924022, 19898696, 22386033, 24873370, 26498880, 29848044, 37310055, 39797392, 44772066, 49746740, 59696088, 67158099, 74620110, 79594784, 89544132, 99493480, 111930165, 119392176, 134316198, 149240220, 159189568, 179088264, 198986960, 223860330, 238784352, 268632396, 298480440, 335790495, 358176528, 397973920, 447720660, 477568704, 537264792, 596960880, 671580990, 716353056, 795947840, 895441320, 1074529584, 1193921760, 1343161980, 1432706112, 1790882640, 2149059168, 2387843520, 2686323960, 3581765280, 4298118336, 5372647920, 7163530560, 10745295840, 21490591680]

約数ペア:

[(1, 21490591680), (2, 10745295840), (3, 7163530560), (4, 5372647920), (5, 4298118336), (6, 3581765280), (8, 2686323960), (9, 2387843520), (10, 2149059168), (12, 1790882640), (15, 1432706112), (16, 1343161980), (18, 1193921760), (20, 1074529584), (24, 895441320), (27, 795947840), (30, 716353056), (32, 671580990), (36, 596960880), (40, 537264792), (45, 477568704), (48, 447720660), (54, 397973920), (60, 358176528), (64, 335790495), (72, 298480440), (80, 268632396), (90, 238784352), (96, 223860330), (108, 198986960), (120, 179088264), (135, 159189568), (144, 149240220), (160, 134316198), (180, 119392176), (192, 111930165), (216, 99493480), (240, 89544132), (270, 79594784), (288, 74620110), (320, 67158099), (360, 59696088), (432, 49746740), (480, 44772066), (540, 39797392), (576, 37310055), (720, 29848044), (811, 26498880), (864, 24873370), (960, 22386033), (1080, 19898696), (1440, 14924022), (1622, 13249440), (1728, 12436685), (2160, 9949348), (2433, 8832960), (2880, 7462011), (3067, 7007040), (3244, 6624720), (4055, 5299776), (4320, 4974674), (4866, 4416480), (6134, 3503520), (6488, 3312360), (7299, 2944320), (8110, 2649888), (8640, 2487337), (9201, 2335680), (9732, 2208240), (12165, 1766592), (12268, 1751760), (12976, 1656180), (14598, 1472160), (15335, 1401408), (16220, 1324944), (18402, 1167840), (19464, 1104120), (21897, 981440), (24330, 883296), (24536, 875880), (25952, 828090), (27603, 778560), (29196, 736080), (30670, 700704), (32440, 662472), (36495, 588864), (36804, 583920), (38928, 552060), (43794, 490720), (46005, 467136), (48660, 441648), (49072, 437940), (51904, 414045), (55206, 389280), (58392, 368040), (61340, 350352), (64880, 331236), (72990, 294432), (73608, 291960), (77856, 276030), (82809, 259520), (87588, 245360), (92010, 233568), (97320, 220824), (98144, 218970), (109485, 196288), (110412, 194640), (116784, 184020), (122680, 175176), (129760, 165618), (138015, 155712), (145980, 147216)]