20408976000

素因数分解:

$2^7\times 3^3\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:459

約数の個数: 1024

約数和(自身を含む): 91194854400

約数和(自身を除く): 70785878400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 25, 27, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 50, 51, 54, 56, 60, 63, 64, 68, 70, 72, 75, 80, 84, 85, 90, 96, 100, 102, 105, 108, 112, 119, 120, 125, 126, 128, 135, 136, 140, 144, 150, 153, 160, 168, 170, 175, 180, 189, 192, 200, 204, 210, 216, 224, 225, 238, 240, 250, 252, 255, 270, 272, 280, 288, 300, 306, 315, 320, 336, 340, 350, 357, 360, 375, 378, 384, 397, 400, 408, 420, 425, 432, 448, 450, 459, 476, 480, 500, 504, 510, 525, 540, 544, 560, 576, 595, 600, 612, 630, 640, 672, 675, 680, 700, 714, 720, 750, 756, 765, 794, 800, 816, 840, 850, 864, 875, 896, 900, 918, 945, 952, 960, 1000, 1008, 1020, 1050, 1071, 1080, 1088, 1120, 1125, 1152, 1190, 1191, 1200, 1224, 1260, 1275, 1344, 1350, 1360, 1400, 1428, 1440, 1500, 1512, 1530, 1575, 1588, 1600, 1632, 1680, 1700, 1728, 1750, 1785, 1800, 1836, 1890, 1904, 1920, 1985, 2000, 2016, 2040, 2100, 2125, 2142, 2160, 2176, 2240, 2250, 2295, 2380, 2382, 2400, 2448, 2520, 2550, 2625, 2688, 2700, 2720, 2779, 2800, 2856, 2880, 2975, 3000, 3024, 3060, 3150, 3176, 3200, 3213, 3264, 3360, 3375, 3400, 3456, 3500, 3570, 3573, 3600, 3672, 3780, 3808, 3825, 3970, 4000, 4032, 4080, 4200, 4250, 4284, 4320, 4480, 4500, 4590, 4725, 4760, 4764, 4800, 4896, 5040, 5100, 5250, 5355, 5400, 5440, 5558, 5600, 5712, 5760, 5950, 5955, 6000, 6048, 6120, 6300, 6352, 6375, 6426, 6528, 6720, 6749, 6750, 6800, 7000, 7140, 7146, 7200, 7344, 7560, 7616, 7650, 7875, 7940, 8000, 8064, 8160, 8337, 8400, 8500, 8568, 8640, 8925, 9000, 9180, 9450, 9520, 9528, 9600, 9792, 9925, 10080, 10200, 10500, 10710, 10719, 10800, 10880, 11116, 11200, 11424, 11475, 11900, 11910, 12000, 12096, 12240, 12600, 12704, 12750, 12852, 13440, 13498, 13500, 13600, 13895, 14000, 14280, 14292, 14400, 14688, 14875, 15120, 15232, 15300, 15750, 15880, 16000, 16065, 16320, 16674, 16800, 17000, 17136, 17280, 17850, 17865, 18000, 18360, 18900, 19040, 19056, 19125, 19584, 19850, 20160, 20247, 20400, 21000, 21420, 21438, 21600, 22232, 22400, 22848, 22950, 23625, 23800, 23820, 24000, 24192, 24480, 25011, 25200, 25408, 25500, 25704, 26775, 26996, 27000, 27200, 27790, 28000, 28560, 28584, 28800, 29376, 29750, 29775, 30240, 30600, 31500, 31760, 32130, 32640, 33348, 33600, 33745, 34000, 34272, 35700, 35730, 36000, 36720, 37800, 38080, 38112, 38250, 39700, 40320, 40494, 40800, 41685, 42000, 42840, 42876, 43200, 44464, 44625, 45696, 45900, 47243, 47250, 47600, 47640, 48000, 48960, 49625, 50022, 50400, 50816, 51000, 51408, 53550, 53595, 53992, 54000, 54400, 55580, 56000, 57120, 57168, 57375, 58752, 59500, 59550, 60480, 60741, 61200, 63000, 63520, 64260, 66696, 67200, 67490, 68000, 68544, 69475, 71400, 71460, 72000, 73440, 75033, 75600, 76160, 76224, 76500, 79400, 80325, 80988, 81600, 83370, 84000, 85680, 85752, 86400, 88928, 89250, 89325, 91800, 94486, 94500, 95200, 95280, 97920, 99250, 100044, 100800, 101235, 102000, 102816, 107100, 107190, 107984, 108000, 111160, 112000, 114240, 114336, 114750, 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514080, 533568, 535500, 535950, 539920, 555800, 566916, 571200, 571680, 595500, 600264, 604800, 607410, 612000, 625275, 635200, 642600, 647904, 666960, 674900, 685440, 686016, 694750, 708645, 714000, 714600, 728892, 734400, 750330, 755888, 756000, 762240, 794000, 800352, 803250, 809880, 816000, 833700, 843625, 850374, 856800, 857520, 863872, 889280, 893250, 911115, 918000, 944860, 952000, 952800, 971856, 1000440, 1008000, 1012350, 1028160, 1042125, 1067136, 1071000, 1071900, 1079840, 1111600, 1133832, 1142400, 1143360, 1181075, 1191000, 1200528, 1214820, 1224000, 1250550, 1270400, 1275561, 1285200, 1295808, 1333920, 1339875, 1349800, 1372032, 1389500, 1417290, 1428000, 1429200, 1457784, 1468800, 1500660, 1511776, 1512000, 1518525, 1588000, 1600704, 1606500, 1619760, 1667400, 1687250, 1700748, 1713600, 1715040, 1778560, 1786500, 1822230, 1836000, 1875825, 1889720, 1904000, 1905600, 1943712, 2000880, 2024700, 2056320, 2084250, 2125935, 2142000, 2143800, 2159680, 2223200, 2267664, 2286720, 2362150, 2382000, 2401056, 2429640, 2448000, 2501100, 2530875, 2551122, 2570400, 2591616, 2667840, 2679750, 2699600, 2779000, 2834580, 2856000, 2858400, 2915568, 3001320, 3023552, 3024000, 3037050, 3126375, 3176000, 3201408, 3213000, 3239520, 3334800, 3374500, 3401496, 3427200, 3430080, 3543225, 3573000, 3644460, 3672000, 3751650, 3779440, 3811200, 3887424, 4001760, 4049400, 4168500, 4251870, 4284000, 4287600, 4319360, 4446400, 4535328, 4555575, 4724300, 4764000, 4802112, 4859280, 5002200, 5061750, 5102244, 5140800, 5335680, 5359500, 5399200, 5558000, 5669160, 5712000, 5716800, 5831136, 5905375, 6002640, 6047104, 6074100, 6252750, 6352000, 6377805, 6426000, 6479040, 6669600, 6749000, 6802992, 6860160, 7086450, 7146000, 7288920, 7344000, 7503300, 7558880, 7592625, 7774848, 8003520, 8098800, 8337000, 8503740, 8568000, 8575200, 8892800, 9070656, 9111150, 9379125, 9448600, 9528000, 9604224, 9718560, 10004400, 10123500, 10204488, 10281600, 10629675, 10719000, 10798400, 11116000, 11338320, 11433600, 11662272, 11810750, 12005280, 12148200, 12505500, 12755610, 12852000, 12958080, 13339200, 13498000, 13605984, 14172900, 14292000, 14577840, 15006600, 15117760, 15185250, 16007040, 16197600, 16674000, 17007480, 17136000, 17150400, 17716125, 18141312, 18222300, 18758250, 18897200, 19056000, 19437120, 20008800, 20247000, 20408976, 21259350, 21438000, 21596800, 22232000, 22676640, 22777875, 23324544, 23621500, 24010560, 24296400, 25011000, 25511220, 25704000, 26678400, 26996000, 27211968, 28345800, 28584000, 29155680, 30013200, 30235520, 30370500, 31889025, 32395200, 33348000, 34014960, 34300800, 35432250, 36444600, 37516500, 37794400, 38874240, 40017600, 40494000, 40817952, 42518700, 42876000, 44464000, 45353280, 45555750, 47243000, 48021120, 48592800, 50022000, 51022440, 51408000, 53148375, 53992000, 54423936, 56691600, 57168000, 58311360, 60026400, 60741000, 63778050, 64790400, 66696000, 68029920, 70864500, 72889200, 75033000, 75588800, 80035200, 80988000, 81635904, 85037400, 85752000, 90706560, 91111500, 94486000, 97185600, 100044000, 102044880, 106296750, 107984000, 113383200, 116622720, 120052800, 121482000, 127556100, 133392000, 136059840, 141729000, 145778400, 150066000, 151177600, 159445125, 161976000, 163271808, 170074800, 171504000, 182223000, 188972000, 194371200, 200088000, 204089760, 212593500, 226766400, 240105600, 242964000, 255112200, 272119680, 283458000, 291556800, 300132000, 318890250, 323952000, 340149600, 364446000, 377944000, 400176000, 408179520, 425187000, 453532800, 485928000, 510224400, 566916000, 583113600, 600264000, 637780500, 680299200, 728892000, 755888000, 816359040, 850374000, 971856000, 1020448800, 1133832000, 1200528000, 1275561000, 1360598400, 1457784000, 1700748000, 2040897600, 2267664000, 2551122000, 2915568000, 3401496000, 4081795200, 5102244000, 6802992000, 10204488000, 20408976000]

約数ペア:

[(1, 20408976000), (2, 10204488000), (3, 6802992000), (4, 5102244000), (5, 4081795200), (6, 3401496000), (7, 2915568000), (8, 2551122000), (9, 2267664000), (10, 2040897600), (12, 1700748000), (14, 1457784000), (15, 1360598400), (16, 1275561000), (17, 1200528000), (18, 1133832000), (20, 1020448800), (21, 971856000), (24, 850374000), (25, 816359040), (27, 755888000), (28, 728892000), (30, 680299200), (32, 637780500), (34, 600264000), (35, 583113600), (36, 566916000), (40, 510224400), (42, 485928000), (45, 453532800), (48, 425187000), (50, 408179520), (51, 400176000), (54, 377944000), (56, 364446000), (60, 340149600), (63, 323952000), (64, 318890250), (68, 300132000), (70, 291556800), (72, 283458000), (75, 272119680), (80, 255112200), (84, 242964000), (85, 240105600), (90, 226766400), (96, 212593500), (100, 204089760), (102, 200088000), (105, 194371200), (108, 188972000), (112, 182223000), (119, 171504000), (120, 170074800), (125, 163271808), (126, 161976000), (128, 159445125), (135, 151177600), (136, 150066000), (140, 145778400), (144, 141729000), (150, 136059840), (153, 133392000), (160, 127556100), (168, 121482000), (170, 120052800), (175, 116622720), (180, 113383200), (189, 107984000), (192, 106296750), (200, 102044880), (204, 100044000), (210, 97185600), (216, 94486000), (224, 91111500), (225, 90706560), (238, 85752000), (240, 85037400), (250, 81635904), (252, 80988000), (255, 80035200), (270, 75588800), (272, 75033000), (280, 72889200), (288, 70864500), (300, 68029920), (306, 66696000), (315, 64790400), (320, 63778050), (336, 60741000), (340, 60026400), (350, 58311360), (357, 57168000), (360, 56691600), (375, 54423936), (378, 53992000), (384, 53148375), (397, 51408000), (400, 51022440), (408, 50022000), (420, 48592800), (425, 48021120), (432, 47243000), (448, 45555750), (450, 45353280), (459, 44464000), (476, 42876000), (480, 42518700), (500, 40817952), (504, 40494000), (510, 40017600), (525, 38874240), (540, 37794400), (544, 37516500), (560, 36444600), (576, 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