20497756800

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:205

約数の個数: 768

約数和(自身を含む): 76221907200

約数和(自身を除く): 55724150400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 29, 30, 32, 34, 40, 48, 50, 51, 58, 60, 61, 64, 68, 71, 75, 80, 85, 87, 96, 100, 102, 116, 120, 122, 128, 136, 142, 145, 150, 160, 170, 174, 183, 192, 200, 204, 213, 232, 240, 244, 255, 272, 284, 290, 300, 305, 320, 340, 348, 355, 366, 384, 400, 408, 425, 426, 435, 464, 480, 488, 493, 510, 544, 568, 580, 600, 610, 640, 680, 696, 710, 725, 732, 800, 816, 850, 852, 870, 915, 928, 960, 976, 986, 1020, 1037, 1065, 1088, 1136, 1160, 1200, 1207, 1220, 1275, 1360, 1392, 1420, 1450, 1464, 1479, 1525, 1600, 1632, 1700, 1704, 1740, 1769, 1775, 1830, 1856, 1920, 1952, 1972, 2040, 2059, 2074, 2130, 2175, 2176, 2272, 2320, 2400, 2414, 2440, 2465, 2550, 2720, 2784, 2840, 2900, 2928, 2958, 3050, 3111, 3200, 3264, 3400, 3408, 3480, 3538, 3550, 3621, 3660, 3712, 3904, 3944, 4080, 4118, 4148, 4260, 4331, 4350, 4544, 4575, 4640, 4800, 4828, 4880, 4930, 5100, 5185, 5307, 5325, 5440, 5568, 5680, 5800, 5856, 5916, 6035, 6100, 6177, 6222, 6528, 6800, 6816, 6960, 7076, 7100, 7242, 7320, 7395, 7808, 7888, 8160, 8236, 8296, 8520, 8662, 8700, 8845, 9088, 9150, 9280, 9600, 9656, 9760, 9860, 10200, 10295, 10370, 10614, 10650, 10880, 11136, 11360, 11600, 11712, 11832, 12070, 12200, 12325, 12354, 12444, 12993, 13600, 13632, 13920, 14152, 14200, 14484, 14640, 14790, 15555, 15776, 16320, 16472, 16592, 17040, 17324, 17400, 17690, 18105, 18300, 18560, 19312, 19520, 19720, 20400, 20590, 20740, 21228, 21300, 21655, 22720, 23200, 23424, 23664, 24140, 24400, 24650, 24708, 24888, 25925, 25986, 26535, 27200, 27264, 27840, 28304, 28400, 28968, 29280, 29580, 30073, 30175, 30885, 31110, 31552, 32640, 32944, 33184, 34080, 34648, 34800, 35003, 35380, 36210, 36600, 36975, 38624, 39040, 39440, 40800, 41180, 41480, 42456, 42600, 43310, 44225, 45440, 46400, 47328, 48280, 48800, 49300, 49416, 49776, 51475, 51850, 51972, 53070, 54400, 55680, 56608, 56800, 57936, 58560, 59160, 60146, 60350, 61770, 62220, 63104, 64965, 65888, 66368, 68160, 69296, 69600, 70006, 70760, 72420, 73200, 73627, 73950, 77248, 77775, 78880, 81600, 82360, 82960, 84912, 85200, 86620, 88450, 90219, 90525, 92800, 94656, 96560, 97600, 98600, 98832, 99552, 102950, 103700, 103944, 105009, 106140, 108275, 113216, 113600, 115872, 117120, 118320, 120292, 120700, 123540, 124440, 125599, 129930, 131776, 132675, 132736, 136320, 138592, 139200, 140012, 141520, 144840, 146400, 147254, 147900, 150365, 154425, 154496, 155550, 157760, 163200, 164720, 165920, 169824, 170400, 173240, 175015, 176900, 180438, 181050, 189312, 193120, 195200, 197200, 197664, 199104, 205900, 207400, 207888, 210018, 212280, 216550, 220881, 226432, 227200, 231744, 236640, 240584, 241400, 247080, 248880, 251198, 259860, 263552, 265350, 277184, 278400, 280024, 283040, 289680, 292800, 294508, 295800, 300730, 308850, 311100, 315520, 324825, 329440, 331840, 339648, 340800, 346480, 350030, 353800, 360876, 362100, 368135, 376797, 386240, 394400, 395328, 398208, 411800, 414800, 415776, 420036, 424560, 433100, 441762, 451095, 463488, 473280, 481168, 482800, 494160, 497760, 502396, 519720, 525045, 530700, 554368, 560048, 566080, 579360, 585600, 589016, 591600, 601460, 617700, 622200, 627995, 649650, 658880, 663680, 679296, 681600, 692960, 700060, 707600, 721752, 724200, 736270, 751825, 753594, 772480, 788800, 790656, 823600, 829600, 831552, 840072, 849120, 866200, 875075, 883524, 902190, 946560, 962336, 965600, 988320, 995520, 1004792, 1039440, 1050090, 1061400, 1104405, 1120096, 1132160, 1158720, 1178032, 1183200, 1202920, 1235400, 1244400, 1255990, 1299300, 1317760, 1385920, 1400120, 1415200, 1443504, 1448400, 1472540, 1503650, 1507188, 1577600, 1647200, 1659200, 1663104, 1680144, 1698240, 1732400, 1750150, 1767048, 1804380, 1840675, 1883985, 1924672, 1931200, 1976640, 1991040, 2009584, 2078880, 2100180, 2122800, 2135183, 2208810, 2240192, 2255475, 2317440, 2356064, 2366400, 2405840, 2470800, 2488800, 2511980, 2598600, 2625225, 2771840, 2800240, 2830400, 2887008, 2896800, 2945080, 3007300, 3014376, 3139975, 3294400, 3318400, 3360288, 3396480, 3464800, 3500300, 3534096, 3608760, 3681350, 3767970, 3849344, 3862400, 3953280, 4019168, 4157760, 4200360, 4245600, 4270366, 4417620, 4480384, 4510950, 4712128, 4732800, 4811680, 4941600, 4977600, 5023960, 5197200, 5250450, 5522025, 5600480, 5660800, 5774016, 5793600, 5890160, 6014600, 6028752, 6279950, 6405549, 6588800, 6720576, 6929600, 7000600, 7068192, 7217520, 7362700, 7535940, 8038336, 8315520, 8400720, 8491200, 8540732, 8835240, 9021900, 9419925, 9424256, 9623360, 9883200, 9955200, 10047920, 10394400, 10500900, 10675915, 11044050, 11200960, 11548032, 11587200, 11780320, 12029200, 12057504, 12559900, 12811098, 13441152, 13859200, 14001200, 14136384, 14435040, 14725400, 15071880, 16076672, 16801440, 16982400, 17081464, 17670480, 18043800, 18839850, 19246720, 19766400, 20095840, 20788800, 21001800, 21351830, 22088100, 22401920, 23560640, 24058400, 24115008, 25119800, 25622196, 28002400, 28272768, 28870080, 29450800, 30143760, 32027745, 33602880, 34162928, 35340960, 36087600, 37679700, 40191680, 41577600, 42003600, 42703660, 44176200, 47121280, 48116800, 48230016, 50239600, 51244392, 53379575, 56004800, 57740160, 58901600, 60287520, 64055490, 67205760, 68325856, 70681920, 72175200, 75359400, 80383360, 84007200, 85407320, 88352400, 96233600, 100479200, 102488784, 106759150, 112009600, 117803200, 120575040, 128110980, 136651712, 141363840, 144350400, 150718800, 160138725, 168014400, 170814640, 176704800, 200958400, 204977568, 213518300, 235606400, 241150080, 256221960, 273303424, 288700800, 301437600, 320277450, 336028800, 341629280, 353409600, 401916800, 409955136, 427036600, 512443920, 602875200, 640554900, 683258560, 706819200, 819910272, 854073200, 1024887840, 1205750400, 1281109800, 1366517120, 1708146400, 2049775680, 2562219600, 3416292800, 4099551360, 5124439200, 6832585600, 10248878400, 20497756800]

約数ペア:

[(1, 20497756800), (2, 10248878400), (3, 6832585600), (4, 5124439200), (5, 4099551360), (6, 3416292800), (8, 2562219600), (10, 2049775680), (12, 1708146400), (15, 1366517120), (16, 1281109800), (17, 1205750400), (20, 1024887840), (24, 854073200), (25, 819910272), (29, 706819200), (30, 683258560), (32, 640554900), (34, 602875200), (40, 512443920), (48, 427036600), (50, 409955136), (51, 401916800), (58, 353409600), (60, 341629280), (61, 336028800), (64, 320277450), (68, 301437600), (71, 288700800), (75, 273303424), (80, 256221960), (85, 241150080), (87, 235606400), (96, 213518300), (100, 204977568), (102, 200958400), (116, 176704800), (120, 170814640), (122, 168014400), (128, 160138725), (136, 150718800), (142, 144350400), (145, 141363840), (150, 136651712), (160, 128110980), (170, 120575040), (174, 117803200), (183, 112009600), (192, 106759150), (200, 102488784), (204, 100479200), (213, 96233600), (232, 88352400), (240, 85407320), (244, 84007200), (255, 80383360), (272, 75359400), (284, 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(1600, 12811098), (1632, 12559900), (1700, 12057504), (1704, 12029200), (1740, 11780320), (1769, 11587200), (1775, 11548032), (1830, 11200960), (1856, 11044050), (1920, 10675915), (1952, 10500900), (1972, 10394400), (2040, 10047920), (2059, 9955200), (2074, 9883200), (2130, 9623360), (2175, 9424256), (2176, 9419925), (2272, 9021900), (2320, 8835240), (2400, 8540732), (2414, 8491200), (2440, 8400720), (2465, 8315520), (2550, 8038336), (2720, 7535940), (2784, 7362700), (2840, 7217520), (2900, 7068192), (2928, 7000600), (2958, 6929600), (3050, 6720576), (3111, 6588800), (3200, 6405549), (3264, 6279950), (3400, 6028752), (3408, 6014600), (3480, 5890160), (3538, 5793600), (3550, 5774016), (3621, 5660800), (3660, 5600480), (3712, 5522025), (3904, 5250450), (3944, 5197200), (4080, 5023960), (4118, 4977600), (4148, 4941600), (4260, 4811680), (4331, 4732800), (4350, 4712128), (4544, 4510950), (4575, 4480384), (4640, 4417620), (4800, 4270366), (4828, 4245600), (4880, 4200360), (4930, 4157760), 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