19958722560

素因数分解:

$2^{12}\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:572

約数の個数: 624

約数和(自身を含む): 81778944000

約数和(自身を除く): 61820221440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 64, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 128, 140, 144, 155, 160, 168, 180, 186, 192, 210, 217, 224, 240, 248, 252, 256, 279, 280, 288, 310, 315, 320, 336, 360, 372, 384, 420, 434, 448, 465, 480, 496, 499, 504, 512, 558, 560, 576, 620, 630, 640, 651, 672, 720, 744, 768, 840, 868, 896, 930, 960, 992, 998, 1008, 1024, 1085, 1116, 1120, 1152, 1240, 1260, 1280, 1302, 1344, 1395, 1440, 1488, 1497, 1536, 1680, 1736, 1792, 1860, 1920, 1953, 1984, 1996, 2016, 2048, 2170, 2232, 2240, 2304, 2480, 2495, 2520, 2560, 2604, 2688, 2790, 2880, 2976, 2994, 3072, 3255, 3360, 3472, 3493, 3584, 3720, 3840, 3906, 3968, 3992, 4032, 4096, 4340, 4464, 4480, 4491, 4608, 4960, 4990, 5040, 5120, 5208, 5376, 5580, 5760, 5952, 5988, 6144, 6510, 6720, 6944, 6986, 7168, 7440, 7485, 7680, 7812, 7936, 7984, 8064, 8680, 8928, 8960, 8982, 9216, 9765, 9920, 9980, 10080, 10240, 10416, 10479, 10752, 11160, 11520, 11904, 11976, 12288, 13020, 13440, 13888, 13972, 14336, 14880, 14970, 15360, 15469, 15624, 15872, 15968, 16128, 17360, 17465, 17856, 17920, 17964, 18432, 19530, 19840, 19960, 20160, 20480, 20832, 20958, 21504, 22320, 22455, 23040, 23808, 23952, 26040, 26880, 27776, 27944, 28672, 29760, 29940, 30720, 30938, 31248, 31437, 31744, 31936, 32256, 34720, 34930, 35712, 35840, 35928, 36864, 39060, 39680, 39920, 40320, 41664, 41916, 43008, 44640, 44910, 46080, 46407, 47616, 47904, 52080, 52395, 53760, 55552, 55888, 59520, 59880, 61440, 61876, 62496, 62874, 63488, 63872, 64512, 69440, 69860, 71424, 71680, 71856, 77345, 78120, 79360, 79840, 80640, 83328, 83832, 86016, 89280, 89820, 92160, 92814, 95232, 95808, 104160, 104790, 107520, 108283, 111104, 111776, 119040, 119760, 123752, 124992, 125748, 126976, 127744, 129024, 138880, 139221, 139720, 142848, 143360, 143712, 154690, 156240, 157185, 158720, 159680, 161280, 166656, 167664, 178560, 179640, 184320, 185628, 190464, 191616, 208320, 209580, 215040, 216566, 222208, 223552, 232035, 238080, 239520, 247504, 249984, 251496, 255488, 258048, 277760, 278442, 279440, 285696, 287424, 309380, 312480, 314370, 317440, 319360, 322560, 324849, 333312, 335328, 357120, 359280, 371256, 380928, 383232, 416640, 419160, 430080, 433132, 444416, 447104, 464070, 476160, 479040, 495008, 499968, 502992, 510976, 541415, 555520, 556884, 558880, 571392, 574848, 618760, 624960, 628740, 634880, 638720, 645120, 649698, 666624, 670656, 696105, 714240, 718560, 742512, 766464, 833280, 838320, 866264, 888832, 894208, 928140, 952320, 958080, 974547, 990016, 999936, 1005984, 1021952, 1082830, 1111040, 1113768, 1117760, 1142784, 1149696, 1237520, 1249920, 1257480, 1277440, 1290240, 1299396, 1333248, 1341312, 1392210, 1428480, 1437120, 1485024, 1532928, 1624245, 1666560, 1676640, 1732528, 1788416, 1856280, 1904640, 1916160, 1949094, 1980032, 1999872, 2011968, 2043904, 2165660, 2222080, 2227536, 2235520, 2299392, 2475040, 2499840, 2514960, 2554880, 2598792, 2666496, 2682624, 2784420, 2856960, 2874240, 2970048, 3065856, 3248490, 3333120, 3353280, 3465056, 3576832, 3712560, 3832320, 3898188, 3960064, 3999744, 4023936, 4331320, 4444160, 4455072, 4471040, 4598784, 4872735, 4950080, 4999680, 5029920, 5109760, 5197584, 5365248, 5568840, 5713920, 5748480, 5940096, 6131712, 6496980, 6666240, 6706560, 6930112, 7153664, 7425120, 7664640, 7796376, 7920128, 7999488, 8047872, 8662640, 8910144, 8942080, 9197568, 9745470, 9900160, 9999360, 10059840, 10219520, 10395168, 10730496, 11137680, 11496960, 11880192, 12993960, 13332480, 13413120, 13860224, 14307328, 14850240, 15329280, 15592752, 15840256, 16095744, 17325280, 17820288, 17884160, 18395136, 19490940, 19800320, 19998720, 20119680, 20790336, 21460992, 22275360, 22993920, 23760384, 25987920, 26826240, 27720448, 29700480, 30658560, 31185504, 31680512, 32191488, 34650560, 35640576, 35768320, 38981880, 39600640, 39997440, 40239360, 41580672, 42921984, 44550720, 45987840, 47520768, 51975840, 53652480, 55440896, 59400960, 62371008, 63361024, 64382976, 69301120, 71281152, 71536640, 77963760, 79201280, 80478720, 83161344, 89101440, 91975680, 95041536, 103951680, 107304960, 110881792, 118801920, 124742016, 128765952, 138602240, 142562304, 155927520, 158402560, 160957440, 166322688, 178202880, 190083072, 207903360, 214609920, 221763584, 237603840, 249484032, 277204480, 285124608, 311855040, 316805120, 321914880, 332645376, 356405760, 415806720, 443527168, 475207680, 498968064, 554408960, 570249216, 623710080, 643829760, 665290752, 712811520, 831613440, 950415360, 997936128, 1108817920, 1247420160, 1330581504, 1425623040, 1663226880, 1995872256, 2217635840, 2494840320, 2851246080, 3326453760, 3991744512, 4989680640, 6652907520, 9979361280, 19958722560]

約数ペア:

[(1, 19958722560), (2, 9979361280), (3, 6652907520), (4, 4989680640), (5, 3991744512), (6, 3326453760), (7, 2851246080), (8, 2494840320), (9, 2217635840), (10, 1995872256), (12, 1663226880), (14, 1425623040), (15, 1330581504), (16, 1247420160), (18, 1108817920), (20, 997936128), (21, 950415360), (24, 831613440), (28, 712811520), (30, 665290752), (31, 643829760), (32, 623710080), (35, 570249216), (36, 554408960), (40, 498968064), (42, 475207680), (45, 443527168), (48, 415806720), (56, 356405760), (60, 332645376), (62, 321914880), (63, 316805120), (64, 311855040), (70, 285124608), (72, 277204480), (80, 249484032), (84, 237603840), (90, 221763584), (93, 214609920), (96, 207903360), (105, 190083072), (112, 178202880), (120, 166322688), (124, 160957440), (126, 158402560), (128, 155927520), (140, 142562304), (144, 138602240), (155, 128765952), (160, 124742016), (168, 118801920), (180, 110881792), (186, 107304960), (192, 103951680), (210, 95041536), (217, 91975680), (224, 89101440), (240, 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(1736, 11496960), (1792, 11137680), (1860, 10730496), (1920, 10395168), (1953, 10219520), (1984, 10059840), (1996, 9999360), (2016, 9900160), (2048, 9745470), (2170, 9197568), (2232, 8942080), (2240, 8910144), (2304, 8662640), (2480, 8047872), (2495, 7999488), (2520, 7920128), (2560, 7796376), (2604, 7664640), (2688, 7425120), (2790, 7153664), (2880, 6930112), (2976, 6706560), (2994, 6666240), (3072, 6496980), (3255, 6131712), (3360, 5940096), (3472, 5748480), (3493, 5713920), (3584, 5568840), (3720, 5365248), (3840, 5197584), (3906, 5109760), (3968, 5029920), (3992, 4999680), (4032, 4950080), (4096, 4872735), (4340, 4598784), (4464, 4471040), (4480, 4455072), (4491, 4444160), (4608, 4331320), (4960, 4023936), (4990, 3999744), (5040, 3960064), (5120, 3898188), (5208, 3832320), (5376, 3712560), (5580, 3576832), (5760, 3465056), (5952, 3353280), (5988, 3333120), (6144, 3248490), (6510, 3065856), (6720, 2970048), (6944, 2874240), (6986, 2856960), (7168, 2784420), (7440, 2682624), (7485, 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(89280, 223552), (89820, 222208), (92160, 216566), (92814, 215040), (95232, 209580), (95808, 208320), (104160, 191616), (104790, 190464), (107520, 185628), (108283, 184320), (111104, 179640), (111776, 178560), (119040, 167664), (119760, 166656), (123752, 161280), (124992, 159680), (125748, 158720), (126976, 157185), (127744, 156240), (129024, 154690), (138880, 143712), (139221, 143360), (139720, 142848)]