20728834560

素因数分解:

$2^9\times 3^2\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 960

約数和(自身を含む): 87071212800

約数和(自身を除く): 66342378240

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, 43, 45, 48, 49, 56, 60, 61, 63, 64, 70, 72, 80, 84, 86, 90, 96, 98, 105, 112, 120, 122, 126, 128, 129, 140, 144, 147, 160, 168, 172, 180, 183, 192, 196, 210, 215, 224, 240, 244, 245, 252, 256, 258, 280, 288, 294, 301, 305, 315, 320, 336, 343, 344, 360, 366, 384, 387, 392, 420, 427, 430, 441, 448, 480, 488, 490, 504, 512, 516, 549, 560, 576, 588, 602, 610, 630, 640, 645, 672, 686, 688, 720, 732, 735, 768, 774, 784, 840, 854, 860, 882, 896, 903, 915, 960, 976, 980, 1008, 1029, 1032, 1098, 1120, 1152, 1176, 1204, 1220, 1260, 1280, 1281, 1290, 1344, 1372, 1376, 1440, 1464, 1470, 1505, 1536, 1548, 1568, 1680, 1708, 1715, 1720, 1764, 1792, 1806, 1830, 1920, 1935, 1952, 1960, 2016, 2058, 2064, 2107, 2135, 2196, 2205, 2240, 2304, 2352, 2408, 2440, 2520, 2560, 2562, 2580, 2623, 2688, 2709, 2744, 2745, 2752, 2880, 2928, 2940, 2989, 3010, 3087, 3096, 3136, 3360, 3416, 3430, 3440, 3528, 3584, 3612, 3660, 3840, 3843, 3870, 3904, 3920, 4032, 4116, 4128, 4214, 4270, 4392, 4410, 4480, 4515, 4608, 4704, 4816, 4880, 5040, 5124, 5145, 5160, 5246, 5376, 5418, 5488, 5490, 5504, 5760, 5856, 5880, 5978, 6020, 6174, 6192, 6272, 6321, 6405, 6720, 6832, 6860, 6880, 7056, 7224, 7320, 7680, 7686, 7740, 7808, 7840, 7869, 8064, 8232, 8256, 8428, 8540, 8784, 8820, 8960, 8967, 9030, 9408, 9632, 9760, 10080, 10248, 10290, 10320, 10492, 10535, 10752, 10836, 10976, 10980, 11008, 11520, 11712, 11760, 11956, 12040, 12348, 12384, 12544, 12642, 12810, 13115, 13440, 13545, 13664, 13720, 13760, 14112, 14448, 14640, 14749, 14945, 15372, 15435, 15480, 15616, 15680, 15738, 16128, 16464, 16512, 16856, 17080, 17568, 17640, 17920, 17934, 18060, 18361, 18816, 18963, 19215, 19264, 19520, 20160, 20496, 20580, 20640, 20923, 20984, 21070, 21672, 21952, 21960, 22016, 23040, 23424, 23520, 23607, 23912, 24080, 24696, 24768, 25088, 25284, 25620, 26230, 26880, 26901, 27090, 27328, 27440, 27520, 28224, 28896, 29280, 29498, 29890, 30744, 30870, 30960, 31232, 31360, 31476, 31605, 32256, 32928, 33024, 33712, 34160, 35136, 35280, 35868, 36120, 36722, 37632, 37926, 38430, 38528, 39040, 39345, 40320, 40992, 41160, 41280, 41846, 41968, 42140, 43344, 43904, 43920, 44247, 44835, 46848, 47040, 47214, 47824, 48160, 49392, 49536, 50568, 51240, 52460, 53760, 53802, 54180, 54656, 54880, 55040, 55083, 56448, 57792, 58560, 58996, 59780, 61488, 61740, 61920, 62720, 62769, 62952, 63210, 65856, 66048, 67424, 68320, 70272, 70560, 71736, 72240, 73444, 73745, 75264, 75852, 76860, 77056, 78080, 78690, 80640, 81984, 82320, 82560, 83692, 83936, 84280, 86688, 87808, 87840, 88494, 89670, 91805, 93696, 94080, 94428, 94815, 95648, 96320, 98784, 99072, 101136, 102480, 104615, 104920, 107604, 108360, 109312, 109760, 110080, 110166, 112896, 115584, 117120, 117992, 118035, 119560, 122976, 123480, 123840, 125440, 125538, 125904, 126420, 128527, 131712, 132741, 134505, 134848, 136640, 140544, 141120, 143472, 144480, 146888, 147490, 151704, 153720, 154112, 156160, 157380, 161280, 163968, 164640, 165120, 165249, 167384, 167872, 168560, 173376, 175616, 175680, 176988, 179340, 183610, 188160, 188307, 188856, 189630, 191296, 192640, 197568, 198144, 202272, 204960, 209230, 209840, 215208, 216720, 218624, 219520, 220332, 221235, 225792, 231168, 234240, 235984, 236070, 239120, 245952, 246960, 247680, 251076, 251808, 252840, 257054, 263424, 265482, 269010, 269696, 273280, 275415, 281088, 282240, 286944, 288960, 293776, 294980, 303408, 307440, 313845, 314760, 327936, 329280, 330240, 330498, 334768, 335744, 337120, 346752, 351360, 353976, 358680, 367220, 376320, 376614, 377712, 379260, 382592, 385280, 385581, 395136, 404544, 409920, 418460, 419680, 430416, 433440, 439040, 440664, 442470, 462336, 468480, 471968, 472140, 478240, 491904, 493920, 495360, 502152, 503616, 505680, 514108, 526848, 530964, 538020, 539392, 546560, 550830, 564480, 573888, 577920, 587552, 589960, 606816, 614880, 627690, 629520, 642635, 655872, 658560, 660996, 663705, 669536, 671488, 674240, 693504, 702720, 707952, 717360, 734440, 753228, 755424, 758520, 765184, 770560, 771162, 790272, 809088, 819840, 826245, 836920, 839360, 860832, 866880, 878080, 881328, 884940, 899689, 941535, 943936, 944280, 956480, 983808, 987840, 990720, 1004304, 1007232, 1011360, 1028216, 1061928, 1076040, 1078784, 1093120, 1101660, 1128960, 1147776, 1155840, 1156743, 1175104, 1179920, 1213632, 1229760, 1255380, 1259040, 1285270, 1317120, 1321992, 1327410, 1339072, 1342976, 1348480, 1387008, 1405440, 1415904, 1434720, 1468880, 1506456, 1510848, 1517040, 1530368, 1542324, 1580544, 1618176, 1639680, 1652490, 1673840, 1678720, 1721664, 1733760, 1762656, 1769880, 1799378, 1883070, 1887872, 1888560, 1912960, 1927905, 1967616, 1975680, 2008608, 2014464, 2022720, 2056432, 2123856, 2152080, 2203320, 2295552, 2311680, 2313486, 2350208, 2359840, 2427264, 2459520, 2510760, 2518080, 2570540, 2634240, 2643984, 2654820, 2678144, 2696960, 2699067, 2831808, 2869440, 2937760, 3012912, 3021696, 3034080, 3084648, 3236352, 3279360, 3304980, 3347680, 3357440, 3443328, 3467520, 3525312, 3539760, 3598756, 3766140, 3775744, 3777120, 3825920, 3855810, 3951360, 4017216, 4028928, 4045440, 4112864, 4247712, 4304160, 4406640, 4498445, 4591104, 4626972, 4700416, 4719680, 4854528, 4919040, 5021520, 5036160, 5141080, 5287968, 5309640, 5356288, 5393920, 5398134, 5663616, 5738880, 5783715, 5875520, 6025824, 6043392, 6068160, 6169296, 6609960, 6695360, 6714880, 6886656, 6935040, 7050624, 7079520, 7197512, 7532280, 7551488, 7554240, 7651840, 7711620, 7902720, 8034432, 8090880, 8097201, 8225728, 8495424, 8608320, 8813280, 8996890, 9253944, 9400832, 9439360, 9709056, 9838080, 10043040, 10072320, 10282160, 10575936, 10619280, 10712576, 10796268, 11327232, 11477760, 11567430, 11751040, 12051648, 12086784, 12136320, 12338592, 13219920, 13390720, 13495335, 13773312, 14101248, 14159040, 14395024, 15064560, 15108480, 15423240, 16068864, 16181760, 16194402, 16451456, 16990848, 17216640, 17626560, 17993780, 18507888, 18878720, 20086080, 20144640, 20564320, 21151872, 21238560, 21592536, 22654464, 22955520, 23134860, 23502080, 24103296, 24272640, 24677184, 26439840, 26781440, 26990670, 28202496, 28318080, 28790048, 30129120, 30216960, 30846480, 32137728, 32388804, 32902912, 33981696, 34433280, 35253120, 35987560, 37015776, 37757440, 40172160, 40486005, 41128640, 42303744, 42477120, 43185072, 46269720, 47004160, 48206592, 48545280, 49354368, 52879680, 53562880, 53981340, 56636160, 57580096, 60258240, 60433920, 61692960, 64777608, 65805824, 67963392, 68866560, 70506240, 71975120, 74031552, 80344320, 80972010, 82257280, 84607488, 84954240, 86370144, 92539440, 96413184, 98708736, 105759360, 107962680, 113272320, 115160192, 120516480, 123385920, 129555216, 141012480, 143950240, 148063104, 160688640, 161944020, 164514560, 169908480, 172740288, 185078880, 197417472, 211518720, 215925360, 230320384, 241032960, 246771840, 259110432, 287900480, 296126208, 323888040, 329029120, 339816960, 345480576, 370157760, 423037440, 431850720, 460640768, 482065920, 493543680, 518220864, 575800960, 592252416, 647776080, 690961152, 740315520, 863701440, 987087360, 1036441728, 1151601920, 1295552160, 1381922304, 1480631040, 1727402880, 2072883456, 2303203840, 2591104320, 2961262080, 3454805760, 4145766912, 5182208640, 6909611520, 10364417280, 20728834560]

約数ペア:

[(1, 20728834560), (2, 10364417280), (3, 6909611520), (4, 5182208640), (5, 4145766912), (6, 3454805760), (7, 2961262080), (8, 2591104320), (9, 2303203840), (10, 2072883456), (12, 1727402880), (14, 1480631040), (15, 1381922304), (16, 1295552160), (18, 1151601920), (20, 1036441728), (21, 987087360), (24, 863701440), (28, 740315520), (30, 690961152), (32, 647776080), (35, 592252416), (36, 575800960), (40, 518220864), (42, 493543680), (43, 482065920), (45, 460640768), (48, 431850720), (49, 423037440), (56, 370157760), (60, 345480576), (61, 339816960), (63, 329029120), (64, 323888040), (70, 296126208), (72, 287900480), (80, 259110432), (84, 246771840), (86, 241032960), (90, 230320384), (96, 215925360), (98, 211518720), (105, 197417472), (112, 185078880), (120, 172740288), (122, 169908480), (126, 164514560), (128, 161944020), (129, 160688640), (140, 148063104), (144, 143950240), (147, 141012480), (160, 129555216), (168, 123385920), (172, 120516480), (180, 115160192), (183, 113272320), (192, 107962680), (196, 105759360), (210, 98708736), (215, 96413184), (224, 92539440), (240, 86370144), (244, 84954240), (245, 84607488), (252, 82257280), (256, 80972010), (258, 80344320), (280, 74031552), (288, 71975120), (294, 70506240), (301, 68866560), (305, 67963392), (315, 65805824), (320, 64777608), (336, 61692960), (343, 60433920), (344, 60258240), (360, 57580096), (366, 56636160), (384, 53981340), (387, 53562880), (392, 52879680), (420, 49354368), (427, 48545280), (430, 48206592), (441, 47004160), (448, 46269720), (480, 43185072), (488, 42477120), (490, 42303744), (504, 41128640), (512, 40486005), (516, 40172160), (549, 37757440), (560, 37015776), (576, 35987560), (588, 35253120), (602, 34433280), (610, 33981696), (630, 32902912), (640, 32388804), (645, 32137728), (672, 30846480), (686, 30216960), (688, 30129120), (720, 28790048), (732, 28318080), (735, 28202496), (768, 26990670), (774, 26781440), (784, 26439840), (840, 24677184), (854, 24272640), (860, 24103296), (882, 23502080), (896, 23134860), (903, 22955520), (915, 22654464), (960, 21592536), (976, 21238560), (980, 21151872), (1008, 20564320), (1029, 20144640), (1032, 20086080), (1098, 18878720), (1120, 18507888), (1152, 17993780), (1176, 17626560), (1204, 17216640), (1220, 16990848), (1260, 16451456), (1280, 16194402), (1281, 16181760), (1290, 16068864), (1344, 15423240), (1372, 15108480), (1376, 15064560), (1440, 14395024), (1464, 14159040), (1470, 14101248), (1505, 13773312), (1536, 13495335), (1548, 13390720), (1568, 13219920), (1680, 12338592), (1708, 12136320), (1715, 12086784), (1720, 12051648), (1764, 11751040), (1792, 11567430), (1806, 11477760), (1830, 11327232), (1920, 10796268), (1935, 10712576), (1952, 10619280), (1960, 10575936), (2016, 10282160), (2058, 10072320), (2064, 10043040), (2107, 9838080), (2135, 9709056), (2196, 9439360), (2205, 9400832), (2240, 9253944), (2304, 8996890), (2352, 8813280), (2408, 8608320), (2440, 8495424), (2520, 8225728), (2560, 8097201), (2562, 8090880), (2580, 8034432), (2623, 7902720), (2688, 7711620), (2709, 7651840), (2744, 7554240), (2745, 7551488), (2752, 7532280), (2880, 7197512), (2928, 7079520), (2940, 7050624), (2989, 6935040), (3010, 6886656), (3087, 6714880), (3096, 6695360), (3136, 6609960), (3360, 6169296), (3416, 6068160), (3430, 6043392), (3440, 6025824), (3528, 5875520), (3584, 5783715), (3612, 5738880), (3660, 5663616), (3840, 5398134), (3843, 5393920), (3870, 5356288), (3904, 5309640), (3920, 5287968), (4032, 5141080), (4116, 5036160), (4128, 5021520), (4214, 4919040), (4270, 4854528), (4392, 4719680), (4410, 4700416), (4480, 4626972), (4515, 4591104), (4608, 4498445), (4704, 4406640), (4816, 4304160), (4880, 4247712), (5040, 4112864), (5124, 4045440), (5145, 4028928), (5160, 4017216), (5246, 3951360), (5376, 3855810), (5418, 3825920), (5488, 3777120), (5490, 3775744), (5504, 3766140), (5760, 3598756), (5856, 3539760), (5880, 3525312), (5978, 3467520), (6020, 3443328), (6174, 3357440), (6192, 3347680), (6272, 3304980), (6321, 3279360), (6405, 3236352), (6720, 3084648), (6832, 3034080), (6860, 3021696), (6880, 3012912), (7056, 2937760), (7224, 2869440), (7320, 2831808), (7680, 2699067), (7686, 2696960), (7740, 2678144), (7808, 2654820), (7840, 2643984), (7869, 2634240), (8064, 2570540), (8232, 2518080), (8256, 2510760), (8428, 2459520), (8540, 2427264), (8784, 2359840), (8820, 2350208), (8960, 2313486), (8967, 2311680), (9030, 2295552), (9408, 2203320), (9632, 2152080), (9760, 2123856), (10080, 2056432), (10248, 2022720), (10290, 2014464), (10320, 2008608), (10492, 1975680), (10535, 1967616), (10752, 1927905), (10836, 1912960), (10976, 1888560), (10980, 1887872), (11008, 1883070), (11520, 1799378), (11712, 1769880), (11760, 1762656), (11956, 1733760), (12040, 1721664), (12348, 1678720), (12384, 1673840), (12544, 1652490), (12642, 1639680), (12810, 1618176), (13115, 1580544), (13440, 1542324), (13545, 1530368), (13664, 1517040), (13720, 1510848), (13760, 1506456), (14112, 1468880), (14448, 1434720), (14640, 1415904), (14749, 1405440), (14945, 1387008), (15372, 1348480), (15435, 1342976), (15480, 1339072), (15616, 1327410), (15680, 1321992), (15738, 1317120), (16128, 1285270), (16464, 1259040), (16512, 1255380), (16856, 1229760), (17080, 1213632), (17568, 1179920), (17640, 1175104), (17920, 1156743), (17934, 1155840), (18060, 1147776), (18361, 1128960), (18816, 1101660), (18963, 1093120), (19215, 1078784), (19264, 1076040), (19520, 1061928), (20160, 1028216), (20496, 1011360), (20580, 1007232), (20640, 1004304), (20923, 990720), (20984, 987840), (21070, 983808), (21672, 956480), (21952, 944280), (21960, 943936), (22016, 941535), (23040, 899689), (23424, 884940), (23520, 881328), (23607, 878080), (23912, 866880), (24080, 860832), (24696, 839360), (24768, 836920), (25088, 826245), (25284, 819840), (25620, 809088), (26230, 790272), (26880, 771162), (26901, 770560), (27090, 765184), (27328, 758520), (27440, 755424), (27520, 753228), (28224, 734440), (28896, 717360), (29280, 707952), (29498, 702720), (29890, 693504), (30744, 674240), (30870, 671488), (30960, 669536), (31232, 663705), (31360, 660996), (31476, 658560), (31605, 655872), (32256, 642635), (32928, 629520), (33024, 627690), (33712, 614880), (34160, 606816), (35136, 589960), (35280, 587552), (35868, 577920), (36120, 573888), (36722, 564480), (37632, 550830), (37926, 546560), (38430, 539392), (38528, 538020), (39040, 530964), (39345, 526848), (40320, 514108), (40992, 505680), (41160, 503616), (41280, 502152), (41846, 495360), (41968, 493920), (42140, 491904), (43344, 478240), (43904, 472140), (43920, 471968), (44247, 468480), (44835, 462336), (46848, 442470), (47040, 440664), (47214, 439040), (47824, 433440), (48160, 430416), (49392, 419680), (49536, 418460), (50568, 409920), (51240, 404544), (52460, 395136), (53760, 385581), (53802, 385280), (54180, 382592), (54656, 379260), (54880, 377712), (55040, 376614), (55083, 376320), (56448, 367220), (57792, 358680), (58560, 353976), (58996, 351360), (59780, 346752), (61488, 337120), (61740, 335744), (61920, 334768), (62720, 330498), (62769, 330240), (62952, 329280), (63210, 327936), (65856, 314760), (66048, 313845), (67424, 307440), (68320, 303408), (70272, 294980), (70560, 293776), (71736, 288960), (72240, 286944), (73444, 282240), (73745, 281088), (75264, 275415), (75852, 273280), (76860, 269696), (77056, 269010), (78080, 265482), (78690, 263424), (80640, 257054), (81984, 252840), (82320, 251808), (82560, 251076), (83692, 247680), (83936, 246960), (84280, 245952), (86688, 239120), (87808, 236070), (87840, 235984), (88494, 234240), (89670, 231168), (91805, 225792), (93696, 221235), (94080, 220332), (94428, 219520), (94815, 218624), (95648, 216720), (96320, 215208), (98784, 209840), (99072, 209230), (101136, 204960), (102480, 202272), (104615, 198144), (104920, 197568), (107604, 192640), (108360, 191296), (109312, 189630), (109760, 188856), (110080, 188307), (110166, 188160), (112896, 183610), (115584, 179340), (117120, 176988), (117992, 175680), (118035, 175616), (119560, 173376), (122976, 168560), (123480, 167872), (123840, 167384), (125440, 165249), (125538, 165120), (125904, 164640), (126420, 163968), (128527, 161280), (131712, 157380), (132741, 156160), (134505, 154112), (134848, 153720), (136640, 151704), (140544, 147490), (141120, 146888), (143472, 144480)]