21491406720

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:287

約数の個数: 768

約数和(自身を含む): 88158844800

約数和(自身を除く): 66667438080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 53, 56, 60, 63, 64, 70, 72, 80, 84, 89, 90, 96, 105, 106, 112, 113, 120, 126, 128, 140, 144, 159, 160, 168, 178, 180, 192, 210, 212, 224, 226, 240, 252, 265, 267, 280, 288, 315, 318, 320, 336, 339, 356, 360, 371, 384, 420, 424, 445, 448, 452, 477, 480, 504, 530, 534, 560, 565, 576, 623, 630, 636, 640, 672, 678, 712, 720, 742, 791, 795, 801, 840, 848, 890, 896, 904, 954, 960, 1008, 1017, 1060, 1068, 1113, 1120, 1130, 1152, 1246, 1260, 1272, 1335, 1344, 1356, 1424, 1440, 1484, 1582, 1590, 1602, 1680, 1695, 1696, 1780, 1808, 1855, 1869, 1908, 1920, 2016, 2034, 2120, 2136, 2226, 2240, 2260, 2373, 2385, 2492, 2520, 2544, 2670, 2688, 2712, 2848, 2880, 2968, 3115, 3164, 3180, 3204, 3339, 3360, 3390, 3392, 3560, 3616, 3710, 3738, 3816, 3955, 4005, 4032, 4068, 4240, 4272, 4452, 4480, 4520, 4717, 4746, 4770, 4984, 5040, 5085, 5088, 5340, 5424, 5565, 5607, 5696, 5760, 5936, 5989, 6230, 6328, 6360, 6408, 6678, 6720, 6780, 6784, 7119, 7120, 7232, 7420, 7476, 7632, 7910, 8010, 8064, 8136, 8480, 8544, 8904, 9040, 9345, 9434, 9492, 9540, 9968, 10057, 10080, 10170, 10176, 10680, 10848, 11130, 11214, 11392, 11865, 11872, 11978, 12460, 12656, 12720, 12816, 13356, 13440, 13560, 14151, 14238, 14240, 14464, 14840, 14952, 15264, 15820, 16020, 16272, 16695, 16960, 17088, 17808, 17967, 18080, 18690, 18868, 18984, 19080, 19936, 20114, 20160, 20340, 20352, 21360, 21696, 22260, 22428, 23585, 23730, 23744, 23956, 24920, 25312, 25440, 25632, 26712, 27120, 28035, 28302, 28476, 28480, 29680, 29904, 29945, 30171, 30528, 31640, 32040, 32544, 33019, 33390, 33920, 34176, 35595, 35616, 35934, 36160, 37380, 37736, 37968, 38160, 39872, 40228, 40320, 40680, 41923, 42453, 42720, 43392, 44520, 44856, 47170, 47460, 47488, 47912, 49840, 50285, 50624, 50880, 51264, 53424, 53901, 54240, 56070, 56604, 56952, 56960, 59360, 59808, 59890, 60342, 61056, 63280, 64080, 65088, 66038, 66780, 70399, 70755, 71190, 71232, 71868, 72320, 74760, 75472, 75936, 76320, 79744, 80456, 81360, 83846, 84906, 85440, 89040, 89712, 89835, 90513, 94340, 94920, 95824, 99057, 99680, 100570, 101248, 101760, 102528, 106848, 107802, 108480, 112140, 113208, 113904, 118720, 119616, 119780, 120684, 125769, 126560, 128160, 130176, 132076, 133560, 140798, 141510, 142380, 142464, 143736, 149520, 150855, 150944, 151872, 152640, 160912, 162720, 165095, 167692, 169812, 170880, 178080, 179424, 179670, 181026, 188680, 189840, 191648, 198114, 199360, 201140, 209615, 211197, 212265, 213696, 215604, 216960, 224280, 226416, 227808, 237440, 239232, 239560, 241368, 251538, 253120, 256320, 264152, 267120, 269505, 281596, 283020, 284760, 287472, 297171, 299040, 301710, 301888, 303744, 305280, 321824, 325440, 330190, 335384, 339624, 351995, 356160, 358848, 359340, 362052, 377307, 377360, 379680, 383296, 396228, 398720, 402280, 419230, 422394, 424530, 427392, 431208, 448560, 452565, 452832, 455616, 479120, 482736, 495285, 503076, 506240, 512640, 528304, 533021, 534240, 539010, 563192, 566040, 569520, 574944, 594342, 598080, 603420, 603776, 628845, 633591, 643648, 650880, 660380, 670768, 679248, 703990, 712320, 717696, 718680, 724104, 754614, 754720, 759360, 766592, 792456, 804560, 838460, 844788, 849060, 862416, 897120, 905130, 905664, 911232, 958240, 965472, 990570, 1006152, 1055985, 1056608, 1066042, 1068480, 1078020, 1126384, 1132080, 1139040, 1149888, 1188684, 1196160, 1206840, 1257690, 1267182, 1287296, 1320760, 1341536, 1358496, 1407980, 1437360, 1448208, 1485855, 1509228, 1509440, 1518720, 1584912, 1599063, 1609120, 1676920, 1689576, 1698120, 1724832, 1794240, 1810260, 1811328, 1886535, 1916480, 1930944, 1981140, 2012304, 2111970, 2113216, 2132084, 2136960, 2156040, 2252768, 2264160, 2278080, 2299776, 2377368, 2413680, 2515380, 2534364, 2641520, 2665105, 2683072, 2716992, 2815960, 2874720, 2896416, 2971710, 3018456, 3018880, 3167955, 3169824, 3198126, 3218240, 3353840, 3379152, 3396240, 3449664, 3588480, 3620520, 3731147, 3773070, 3832960, 3861888, 3962280, 4024608, 4223940, 4226432, 4264168, 4312080, 4505536, 4528320, 4556160, 4754736, 4797189, 4827360, 5030760, 5068728, 5283040, 5330210, 5366144, 5433984, 5631920, 5749440, 5792832, 5943420, 6036912, 6335910, 6339648, 6396252, 6436480, 6707680, 6758304, 6792480, 6899328, 7241040, 7462294, 7546140, 7924560, 7995315, 8049216, 8447880, 8528336, 8624160, 9011072, 9056640, 9509472, 9594378, 9654720, 10061520, 10137456, 10566080, 10660420, 11193441, 11263840, 11498880, 11585664, 11886840, 12073824, 12671820, 12679296, 12792504, 13415360, 13516608, 13584960, 14482080, 14924588, 15092280, 15849120, 15990630, 16098432, 16895760, 17056672, 17248320, 18655735, 19018944, 19188756, 19309440, 20123040, 20274912, 21132160, 21320840, 22386882, 22527680, 23773680, 23985945, 24147648, 25343640, 25585008, 26830720, 27033216, 27169920, 28964160, 29849176, 30184560, 31698240, 31981260, 33580323, 33791520, 34113344, 34496640, 37311470, 38037888, 38377512, 40246080, 40549824, 42641680, 44773764, 45055360, 47547360, 47971890, 48295296, 50687280, 51170016, 55967205, 57928320, 59698352, 60369120, 63396480, 63962520, 67160646, 67583040, 68226688, 74622940, 76755024, 80492160, 81099648, 85283360, 89547528, 95094720, 95943780, 101374560, 102340032, 111934410, 119396704, 120738240, 127925040, 134321292, 135166080, 149245880, 153510048, 167901615, 170566720, 179095056, 190189440, 191887560, 202749120, 204680064, 223868820, 238793408, 241476480, 255850080, 268642584, 298491760, 307020096, 335803230, 341133440, 358190112, 383775120, 405498240, 447737640, 477586816, 511700160, 537285168, 596983520, 614040192, 671606460, 716380224, 767550240, 895475280, 1023400320, 1074570336, 1193967040, 1343212920, 1432760448, 1535100480, 1790950560, 2149140672, 2387934080, 2686425840, 3070200960, 3581901120, 4298281344, 5372851680, 7163802240, 10745703360, 21491406720]

約数ペア:

[(1, 21491406720), (2, 10745703360), (3, 7163802240), (4, 5372851680), (5, 4298281344), (6, 3581901120), (7, 3070200960), (8, 2686425840), (9, 2387934080), (10, 2149140672), (12, 1790950560), (14, 1535100480), (15, 1432760448), (16, 1343212920), (18, 1193967040), (20, 1074570336), (21, 1023400320), (24, 895475280), (28, 767550240), (30, 716380224), (32, 671606460), (35, 614040192), (36, 596983520), (40, 537285168), (42, 511700160), (45, 477586816), (48, 447737640), (53, 405498240), (56, 383775120), (60, 358190112), (63, 341133440), (64, 335803230), (70, 307020096), (72, 298491760), (80, 268642584), (84, 255850080), (89, 241476480), (90, 238793408), (96, 223868820), (105, 204680064), (106, 202749120), (112, 191887560), (113, 190189440), (120, 179095056), (126, 170566720), (128, 167901615), (140, 153510048), (144, 149245880), (159, 135166080), (160, 134321292), (168, 127925040), (178, 120738240), (180, 119396704), (192, 111934410), (210, 102340032), (212, 101374560), (224, 95943780), (226, 95094720), (240, 89547528), (252, 85283360), (265, 81099648), (267, 80492160), (280, 76755024), (288, 74622940), (315, 68226688), (318, 67583040), (320, 67160646), (336, 63962520), (339, 63396480), (356, 60369120), (360, 59698352), (371, 57928320), (384, 55967205), (420, 51170016), (424, 50687280), (445, 48295296), (448, 47971890), (452, 47547360), (477, 45055360), (480, 44773764), (504, 42641680), (530, 40549824), (534, 40246080), (560, 38377512), (565, 38037888), (576, 37311470), (623, 34496640), (630, 34113344), (636, 33791520), (640, 33580323), (672, 31981260), (678, 31698240), (712, 30184560), (720, 29849176), (742, 28964160), (791, 27169920), (795, 27033216), (801, 26830720), (840, 25585008), (848, 25343640), (890, 24147648), (896, 23985945), (904, 23773680), (954, 22527680), (960, 22386882), (1008, 21320840), (1017, 21132160), (1060, 20274912), (1068, 20123040), (1113, 19309440), (1120, 19188756), (1130, 19018944), (1152, 18655735), (1246, 17248320), (1260, 17056672), (1272, 16895760), (1335, 16098432), (1344, 15990630), (1356, 15849120), (1424, 15092280), (1440, 14924588), (1484, 14482080), (1582, 13584960), (1590, 13516608), (1602, 13415360), (1680, 12792504), (1695, 12679296), (1696, 12671820), (1780, 12073824), (1808, 11886840), (1855, 11585664), (1869, 11498880), (1908, 11263840), (1920, 11193441), (2016, 10660420), (2034, 10566080), (2120, 10137456), (2136, 10061520), (2226, 9654720), (2240, 9594378), (2260, 9509472), (2373, 9056640), (2385, 9011072), (2492, 8624160), (2520, 8528336), (2544, 8447880), (2670, 8049216), (2688, 7995315), (2712, 7924560), (2848, 7546140), (2880, 7462294), (2968, 7241040), (3115, 6899328), (3164, 6792480), (3180, 6758304), (3204, 6707680), (3339, 6436480), (3360, 6396252), (3390, 6339648), (3392, 6335910), (3560, 6036912), (3616, 5943420), (3710, 5792832), (3738, 5749440), (3816, 5631920), (3955, 5433984), (4005, 5366144), (4032, 5330210), (4068, 5283040), (4240, 5068728), (4272, 5030760), (4452, 4827360), (4480, 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(81360, 264152), (83846, 256320), (84906, 253120), (85440, 251538), (89040, 241368), (89712, 239560), (89835, 239232), (90513, 237440), (94340, 227808), (94920, 226416), (95824, 224280), (99057, 216960), (99680, 215604), (100570, 213696), (101248, 212265), (101760, 211197), (102528, 209615), (106848, 201140), (107802, 199360), (108480, 198114), (112140, 191648), (113208, 189840), (113904, 188680), (118720, 181026), (119616, 179670), (119780, 179424), (120684, 178080), (125769, 170880), (126560, 169812), (128160, 167692), (130176, 165095), (132076, 162720), (133560, 160912), (140798, 152640), (141510, 151872), (142380, 150944), (142464, 150855), (143736, 149520)]