20696532480

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:819

約数の個数: 640

約数和(自身を含む): 81834762240

約数和(自身を除く): 61138229760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 31, 32, 36, 39, 40, 45, 48, 52, 54, 60, 62, 64, 65, 72, 78, 80, 90, 93, 96, 104, 108, 117, 120, 124, 128, 130, 135, 144, 155, 156, 160, 180, 186, 192, 195, 208, 216, 234, 240, 248, 256, 260, 270, 279, 288, 310, 312, 320, 351, 360, 372, 384, 390, 403, 416, 432, 465, 468, 480, 496, 512, 520, 540, 558, 576, 585, 620, 624, 640, 702, 720, 743, 744, 768, 780, 806, 832, 837, 864, 930, 936, 960, 992, 1040, 1080, 1116, 1152, 1170, 1209, 1240, 1248, 1280, 1395, 1404, 1440, 1486, 1488, 1536, 1560, 1612, 1664, 1674, 1728, 1755, 1860, 1872, 1920, 1984, 2015, 2080, 2160, 2229, 2232, 2304, 2340, 2418, 2480, 2496, 2560, 2790, 2808, 2880, 2972, 2976, 3120, 3224, 3328, 3348, 3456, 3510, 3627, 3715, 3720, 3744, 3840, 3968, 4030, 4160, 4185, 4320, 4458, 4464, 4608, 4680, 4836, 4960, 4992, 5580, 5616, 5760, 5944, 5952, 6045, 6240, 6448, 6656, 6687, 6696, 6912, 7020, 7254, 7430, 7440, 7488, 7680, 7936, 8060, 8320, 8370, 8640, 8916, 8928, 9360, 9659, 9672, 9920, 9984, 10881, 11145, 11160, 11232, 11520, 11888, 11904, 12090, 12480, 12896, 13374, 13392, 13824, 14040, 14508, 14860, 14880, 14976, 15872, 16120, 16640, 16740, 17280, 17832, 17856, 18135, 18720, 19318, 19344, 19840, 19968, 20061, 21762, 22290, 22320, 22464, 23033, 23040, 23776, 23808, 24180, 24960, 25792, 26748, 26784, 28080, 28977, 29016, 29720, 29760, 29952, 32240, 33280, 33435, 33480, 34560, 35664, 35712, 36270, 37440, 38636, 38688, 39680, 40122, 43524, 44580, 44640, 44928, 46066, 47552, 47616, 48295, 48360, 49920, 51584, 53496, 53568, 54405, 56160, 57954, 58032, 59440, 59520, 59904, 64480, 66870, 66960, 69099, 69120, 71328, 71424, 72540, 74880, 77272, 77376, 79360, 80244, 86931, 87048, 89160, 89280, 89856, 92132, 95104, 96590, 96720, 99840, 100305, 103168, 106992, 107136, 108810, 112320, 115165, 115908, 116064, 118880, 119040, 128960, 133740, 133920, 138198, 142656, 142848, 144885, 145080, 149760, 154544, 154752, 160488, 173862, 174096, 178320, 178560, 179712, 184264, 190208, 193180, 193440, 200610, 206336, 207297, 213984, 214272, 217620, 224640, 230330, 231816, 232128, 237760, 238080, 257920, 260793, 267480, 267840, 276396, 285312, 289770, 290160, 299429, 299520, 309088, 309504, 320976, 345495, 347724, 348192, 356640, 357120, 368528, 380416, 386360, 386880, 401220, 414594, 427968, 428544, 434655, 435240, 449280, 460660, 463632, 464256, 475520, 515840, 521586, 534960, 535680, 552792, 570624, 579540, 580320, 598858, 618176, 619008, 621891, 641952, 690990, 695448, 696384, 713280, 714240, 737056, 772720, 773760, 802440, 829188, 855936, 869310, 870480, 898287, 898560, 921320, 927264, 928512, 951040, 1031680, 1036485, 1043172, 1069920, 1071360, 1105584, 1141248, 1159080, 1160640, 1197716, 1236352, 1243782, 1283904, 1303965, 1381980, 1390896, 1392768, 1426560, 1474112, 1497145, 1545440, 1547520, 1604880, 1658376, 1711872, 1738620, 1740960, 1796574, 1842640, 1854528, 1857024, 1902080, 2072970, 2086344, 2139840, 2142720, 2211168, 2318160, 2321280, 2395432, 2472704, 2487564, 2567808, 2607930, 2694861, 2763960, 2781792, 2785536, 2853120, 2948224, 2994290, 3090880, 3095040, 3109455, 3209760, 3316752, 3423744, 3477240, 3481920, 3593148, 3685280, 3709056, 4145940, 4172688, 4279680, 4422336, 4491435, 4636320, 4642560, 4790864, 4945408, 4975128, 5135616, 5215860, 5389722, 5527920, 5563584, 5571072, 5706240, 5896448, 5988580, 6181760, 6218910, 6419520, 6633504, 6954480, 6963840, 7186296, 7370560, 7418112, 8084583, 8291880, 8345376, 8559360, 8844672, 8982870, 9272640, 9285120, 9581728, 9950256, 10271232, 10431720, 10779444, 11055840, 11127168, 11792896, 11977160, 12363520, 12437820, 12839040, 13267008, 13474305, 13908960, 13927680, 14372592, 14741120, 14836224, 16169166, 16583760, 16690752, 17118720, 17689344, 17965740, 18545280, 19163456, 19900512, 20863440, 21558888, 22111680, 22254336, 23954320, 24727040, 24875640, 25678080, 26534016, 26948610, 27817920, 27855360, 28745184, 29482240, 32338332, 33167520, 33381504, 35378688, 35931480, 37090560, 38326912, 39801024, 40422915, 41726880, 43117776, 44223360, 44508672, 47908640, 49751280, 51356160, 53068032, 53897220, 55635840, 57490368, 58964480, 64676664, 66335040, 66763008, 71862960, 74181120, 76653824, 79602048, 80845830, 83453760, 86235552, 88446720, 95817280, 99502560, 106136064, 107794440, 111271680, 114980736, 129353328, 132670080, 133526016, 143725920, 153307648, 159204096, 161691660, 166907520, 172471104, 176893440, 191634560, 199005120, 215588880, 222543360, 229961472, 258706656, 265340160, 287451840, 318408192, 323383320, 333815040, 344942208, 383269120, 398010240, 431177760, 459922944, 517413312, 530680320, 574903680, 646766640, 667630080, 689884416, 766538240, 796020480, 862355520, 1034826624, 1149807360, 1293533280, 1379768832, 1592040960, 1724711040, 2069653248, 2299614720, 2587066560, 3449422080, 4139306496, 5174133120, 6898844160, 10348266240, 20696532480]

約数ペア:

[(1, 20696532480), (2, 10348266240), (3, 6898844160), (4, 5174133120), (5, 4139306496), (6, 3449422080), (8, 2587066560), (9, 2299614720), (10, 2069653248), (12, 1724711040), (13, 1592040960), (15, 1379768832), (16, 1293533280), (18, 1149807360), (20, 1034826624), (24, 862355520), (26, 796020480), (27, 766538240), (30, 689884416), (31, 667630080), (32, 646766640), (36, 574903680), (39, 530680320), (40, 517413312), (45, 459922944), (48, 431177760), (52, 398010240), (54, 383269120), (60, 344942208), (62, 333815040), (64, 323383320), (65, 318408192), (72, 287451840), (78, 265340160), (80, 258706656), (90, 229961472), (93, 222543360), (96, 215588880), (104, 199005120), (108, 191634560), (117, 176893440), (120, 172471104), (124, 166907520), (128, 161691660), (130, 159204096), (135, 153307648), (144, 143725920), (155, 133526016), (156, 132670080), (160, 129353328), (180, 114980736), (186, 111271680), (192, 107794440), (195, 106136064), (208, 99502560), (216, 95817280), (234, 88446720), (240, 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13908960), (1536, 13474305), (1560, 13267008), (1612, 12839040), (1664, 12437820), (1674, 12363520), (1728, 11977160), (1755, 11792896), (1860, 11127168), (1872, 11055840), (1920, 10779444), (1984, 10431720), (2015, 10271232), (2080, 9950256), (2160, 9581728), (2229, 9285120), (2232, 9272640), (2304, 8982870), (2340, 8844672), (2418, 8559360), (2480, 8345376), (2496, 8291880), (2560, 8084583), (2790, 7418112), (2808, 7370560), (2880, 7186296), (2972, 6963840), (2976, 6954480), (3120, 6633504), (3224, 6419520), (3328, 6218910), (3348, 6181760), (3456, 5988580), (3510, 5896448), (3627, 5706240), (3715, 5571072), (3720, 5563584), (3744, 5527920), (3840, 5389722), (3968, 5215860), (4030, 5135616), (4160, 4975128), (4185, 4945408), (4320, 4790864), (4458, 4642560), (4464, 4636320), (4608, 4491435), (4680, 4422336), (4836, 4279680), (4960, 4172688), (4992, 4145940), (5580, 3709056), (5616, 3685280), (5760, 3593148), (5944, 3481920), (5952, 3477240), (6045, 3423744), (6240, 3316752), (6448, 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(22320, 927264), (22464, 921320), (23033, 898560), (23040, 898287), (23776, 870480), (23808, 869310), (24180, 855936), (24960, 829188), (25792, 802440), (26748, 773760), (26784, 772720), (28080, 737056), (28977, 714240), (29016, 713280), (29720, 696384), (29760, 695448), (29952, 690990), (32240, 641952), (33280, 621891), (33435, 619008), (33480, 618176), (34560, 598858), (35664, 580320), (35712, 579540), (36270, 570624), (37440, 552792), (38636, 535680), (38688, 534960), (39680, 521586), (40122, 515840), (43524, 475520), (44580, 464256), (44640, 463632), (44928, 460660), (46066, 449280), (47552, 435240), (47616, 434655), (48295, 428544), (48360, 427968), (49920, 414594), (51584, 401220), (53496, 386880), (53568, 386360), (54405, 380416), (56160, 368528), (57954, 357120), (58032, 356640), (59440, 348192), (59520, 347724), (59904, 345495), (64480, 320976), (66870, 309504), (66960, 309088), (69099, 299520), (69120, 299429), (71328, 290160), (71424, 289770), (72540, 285312), (74880, 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