21781630080

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{180073}}^1$

素因数の和:180108

約数の個数: 256

約数和(自身を含む): 88164230400

約数和(自身を除く): 66382600320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 12096, 13440, 15120, 17280, 20160, 24192, 30240, 40320, 60480, 120960, 180073, 360146, 540219, 720292, 900365, 1080438, 1260511, 1440584, 1620657, 1800730, 2160876, 2521022, 2701095, 2881168, 3241314, 3601460, 3781533, 4321752, 4861971, 5042044, 5402190, 5762336, 6302555, 6482628, 7202920, 7563066, 8103285, 8643504, 9723942, 10084088, 10804380, 11344599, 11524672, 12605110, 12965256, 14405840, 15126132, 16206570, 17287008, 18907665, 19447884, 20168176, 21608760, 22689198, 23049344, 24309855, 25210220, 25930512, 28811680, 30252264, 32413140, 34033797, 34574016, 37815330, 38895768, 40336352, 43217520, 45378396, 48619710, 50420440, 51861024, 56722995, 57623360, 60504528, 64826280, 68067594, 69148032, 75630660, 77791536, 80672704, 86435040, 90756792, 97239420, 100840880, 103722048, 113445990, 115246720, 121009056, 129652560, 136135188, 151261320, 155583072, 161345408, 170168985, 172870080, 181513584, 194478840, 201681760, 207444096, 226891980, 242018112, 259305120, 272270376, 302522640, 311166144, 340337970, 345740160, 363027168, 388957680, 403363520, 453783960, 484036224, 518610240, 544540752, 605045280, 622332288, 680675940, 726054336, 777915360, 806727040, 907567920, 1037220480, 1089081504, 1210090560, 1361351880, 1452108672, 1555830720, 1815135840, 2178163008, 2420181120, 2722703760, 3111661440, 3630271680, 4356326016, 5445407520, 7260543360, 10890815040, 21781630080]

約数ペア:

[(1, 21781630080), (2, 10890815040), (3, 7260543360), (4, 5445407520), (5, 4356326016), (6, 3630271680), (7, 3111661440), (8, 2722703760), (9, 2420181120), (10, 2178163008), (12, 1815135840), (14, 1555830720), (15, 1452108672), (16, 1361351880), (18, 1210090560), (20, 1089081504), (21, 1037220480), (24, 907567920), (27, 806727040), (28, 777915360), (30, 726054336), (32, 680675940), (35, 622332288), (36, 605045280), (40, 544540752), (42, 518610240), (45, 484036224), (48, 453783960), (54, 403363520), (56, 388957680), (60, 363027168), (63, 345740160), (64, 340337970), (70, 311166144), (72, 302522640), (80, 272270376), (84, 259305120), (90, 242018112), (96, 226891980), (105, 207444096), (108, 201681760), (112, 194478840), (120, 181513584), (126, 172870080), (128, 170168985), (135, 161345408), (140, 155583072), (144, 151261320), (160, 136135188), (168, 129652560), (180, 121009056), (189, 115246720), (192, 113445990), (210, 103722048), (216, 100840880), (224, 97239420), (240, 90756792), (252, 86435040), (270, 80672704), (280, 77791536), (288, 75630660), (315, 69148032), (320, 68067594), (336, 64826280), (360, 60504528), (378, 57623360), (384, 56722995), (420, 51861024), (432, 50420440), (448, 48619710), (480, 45378396), (504, 43217520), (540, 40336352), (560, 38895768), (576, 37815330), (630, 34574016), (640, 34033797), (672, 32413140), (720, 30252264), (756, 28811680), (840, 25930512), (864, 25210220), (896, 24309855), (945, 23049344), (960, 22689198), (1008, 21608760), (1080, 20168176), (1120, 19447884), (1152, 18907665), (1260, 17287008), (1344, 16206570), (1440, 15126132), (1512, 14405840), (1680, 12965256), (1728, 12605110), (1890, 11524672), (1920, 11344599), (2016, 10804380), (2160, 10084088), (2240, 9723942), (2520, 8643504), (2688, 8103285), (2880, 7563066), (3024, 7202920), (3360, 6482628), (3456, 6302555), (3780, 5762336), (4032, 5402190), (4320, 5042044), (4480, 4861971), (5040, 4321752), (5760, 3781533), (6048, 3601460), (6720, 3241314), (7560, 2881168), (8064, 2701095), (8640, 2521022), (10080, 2160876), (12096, 1800730), (13440, 1620657), (15120, 1440584), (17280, 1260511), (20160, 1080438), (24192, 900365), (30240, 720292), (40320, 540219), (60480, 360146), (120960, 180073)]