19890097920

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1319}}^1$

素因数の和:1381

約数の個数: 864

約数和(自身を含む): 90914503680

約数和(自身を除く): 71024405760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 20, 21, 22, 24, 28, 30, 32, 33, 34, 35, 36, 40, 42, 44, 45, 48, 51, 55, 56, 60, 63, 64, 66, 68, 70, 72, 77, 80, 84, 85, 88, 90, 96, 99, 102, 105, 110, 112, 119, 120, 126, 128, 132, 136, 140, 144, 153, 154, 160, 165, 168, 170, 176, 180, 187, 192, 198, 204, 210, 220, 224, 231, 238, 240, 252, 255, 256, 264, 272, 280, 288, 306, 308, 315, 320, 330, 336, 340, 352, 357, 360, 374, 384, 385, 396, 408, 420, 440, 448, 462, 476, 480, 495, 504, 510, 528, 544, 560, 561, 576, 595, 612, 616, 630, 640, 660, 672, 680, 693, 704, 714, 720, 748, 765, 768, 770, 792, 816, 840, 880, 896, 924, 935, 952, 960, 990, 1008, 1020, 1056, 1071, 1088, 1120, 1122, 1152, 1155, 1190, 1224, 1232, 1260, 1280, 1309, 1319, 1320, 1344, 1360, 1386, 1408, 1428, 1440, 1496, 1530, 1540, 1584, 1632, 1680, 1683, 1760, 1785, 1792, 1848, 1870, 1904, 1920, 1980, 2016, 2040, 2112, 2142, 2176, 2240, 2244, 2304, 2310, 2380, 2448, 2464, 2520, 2618, 2638, 2640, 2688, 2720, 2772, 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39168, 39270, 39570, 40320, 41888, 42208, 42240, 42840, 43527, 44352, 44846, 44880, 45696, 46165, 47124, 47484, 47872, 48960, 49280, 52360, 52760, 53856, 55398, 55440, 57120, 58036, 58905, 59136, 59355, 59840, 62832, 63312, 63360, 65280, 67269, 67320, 68544, 71808, 72545, 73864, 73920, 76160, 78540, 79140, 80640, 83097, 83776, 84416, 85680, 87054, 88704, 89692, 89760, 91392, 92330, 94248, 94968, 97920, 98560, 101563, 104720, 105520, 107712, 110796, 110880, 112115, 114240, 116072, 117810, 118710, 119680, 125664, 126624, 126720, 130581, 134538, 134640, 137088, 138495, 143616, 145090, 147728, 147840, 152320, 156961, 157080, 158280, 166194, 167552, 168832, 171360, 174108, 177408, 179384, 179520, 184660, 188496, 189936, 195840, 201807, 203126, 209440, 211040, 215424, 217635, 221592, 221760, 224230, 228480, 232144, 235620, 237420, 239360, 246653, 251328, 253248, 261162, 269076, 269280, 274176, 276990, 290180, 295456, 295680, 304689, 313922, 314160, 316560, 332388, 335104, 336345, 337664, 342720, 348216, 358768, 359040, 369320, 376992, 379872, 403614, 406252, 415485, 418880, 422080, 430848, 435270, 443184, 443520, 448460, 456960, 464288, 470883, 471240, 474840, 493306, 502656, 506496, 507815, 522324, 538152, 538560, 553980, 580360, 590912, 609378, 627844, 628320, 633120, 652905, 664776, 672690, 685440, 696432, 717536, 718080, 738640, 739959, 753984, 759744, 784805, 807228, 812504, 830970, 837760, 844160, 870540, 886368, 887040, 896920, 914067, 928576, 941766, 942480, 949680, 986612, 1005312, 1009035, 1012992, 1015630, 1044648, 1076304, 1077120, 1107960, 1160720, 1181824, 1218756, 1233265, 1255688, 1256640, 1266240, 1305810, 1329552, 1345380, 1370880, 1392864, 1412649, 1435072, 1477280, 1479918, 1507968, 1519488, 1523445, 1569610, 1614456, 1625008, 1661940, 1675520, 1688320, 1726571, 1741080, 1772736, 1793840, 1828134, 1857152, 1883532, 1884960, 1899360, 1973224, 2018070, 2031260, 2089296, 2152608, 2154240, 2215920, 2219877, 2321440, 2354415, 2363648, 2437512, 2466530, 2511376, 2513280, 2532480, 2611620, 2659104, 2690760, 2785728, 2825298, 2870144, 2954560, 2959836, 3015936, 3038976, 3046890, 3139220, 3228912, 3250016, 3323880, 3453142, 3482160, 3545472, 3587680, 3656268, 3699795, 3714304, 3767064, 3769920, 3798720, 3946448, 4036140, 4062520, 4178592, 4305216, 4431840, 4439754, 4570335, 4642880, 4708830, 4875024, 4933060, 5022752, 5026560, 5064960, 5179713, 5223240, 5318208, 5381520, 5571456, 5650596, 5740288, 5909120, 5919672, 6093780, 6278440, 6457824, 6500032, 6647760, 6906284, 6964320, 7063245, 7090944, 7175360, 7312536, 7399590, 7534128, 7539840, 7597440, 7892896, 8072280, 8125040, 8357184, 8610432, 8632855, 8863680, 8879508, 9140670, 9285760, 9417660, 9750048, 9866120, 10045504, 10359426, 10446480, 10636416, 10763040, 11099385, 11142912, 11301192, 11818240, 11839344, 12187560, 12556880, 12915648, 13000064, 13295520, 13812568, 13928640, 14126490, 14350720, 14625072, 14799180, 15068256, 15079680, 15194880, 15539139, 15785792, 16144560, 16250080, 16714368, 17220864, 17265710, 17727360, 17759016, 18281340, 18571520, 18835320, 19500096, 19732240, 20091008, 20718852, 20892960, 21272832, 21526080, 22198770, 22602384, 23678688, 24375120, 25113760, 25831296, 25898565, 26000128, 26591040, 27625136, 27857280, 28252980, 28701440, 29250144, 29598360, 30136512, 31078278, 31571584, 32289120, 32500160, 33428736, 34531420, 35454720, 35518032, 36562680, 37670640, 39000192, 39464480, 40182016, 41437704, 41785920, 43052160, 44397540, 45204768, 47357376, 48750240, 50227520, 51662592, 51797130, 53182080, 55250272, 55714560, 56505960, 58500288, 59196720, 60273024, 62156556, 63143168, 64578240, 65000320, 69062840, 71036064, 73125360, 75341280, 77695695, 78000384, 78928960, 82875408, 83571840, 86104320, 88795080, 90409536, 94714752, 97500480, 100455040, 103594260, 106364160, 110500544, 113011920, 117000576, 118393440, 120546048, 124313112, 129156480, 130000640, 138125680, 142072128, 146250720, 150682560, 155391390, 157857920, 165750816, 167143680, 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約数ペア:

[(1, 19890097920), (2, 9945048960), (3, 6630032640), (4, 4972524480), (5, 3978019584), (6, 3315016320), (7, 2841442560), (8, 2486262240), (9, 2210010880), (10, 1989009792), (11, 1808190720), (12, 1657508160), (14, 1420721280), (15, 1326006528), (16, 1243131120), (17, 1170005760), (18, 1105005440), (20, 994504896), (21, 947147520), (22, 904095360), (24, 828754080), (28, 710360640), (30, 663003264), (32, 621565560), (33, 602730240), (34, 585002880), (35, 568288512), (36, 552502720), (40, 497252448), (42, 473573760), (44, 452047680), (45, 442002176), (48, 414377040), (51, 390001920), (55, 361638144), (56, 355180320), (60, 331501632), (63, 315715840), (64, 310782780), (66, 301365120), (68, 292501440), (70, 284144256), (72, 276251360), (77, 258312960), (80, 248626224), (84, 236786880), (85, 234001152), (88, 226023840), (90, 221001088), (96, 207188520), (99, 200910080), (102, 195000960), (105, 189429504), (110, 180819072), (112, 177590160), (119, 167143680), (120, 165750816), (126, 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