20454846720

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:403

約数の個数: 864

約数和(自身を含む): 86644669440

約数和(自身を除く): 66189822720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 19, 20, 21, 22, 24, 28, 30, 32, 33, 35, 38, 40, 42, 44, 48, 55, 56, 57, 60, 64, 66, 70, 76, 77, 80, 84, 88, 95, 96, 105, 110, 112, 114, 120, 121, 128, 132, 133, 140, 152, 154, 160, 165, 168, 176, 190, 192, 209, 210, 220, 224, 228, 231, 240, 242, 256, 264, 266, 280, 285, 304, 308, 320, 330, 331, 336, 352, 363, 380, 384, 385, 399, 418, 420, 440, 448, 456, 462, 480, 484, 528, 532, 560, 570, 605, 608, 616, 627, 640, 660, 662, 665, 672, 704, 726, 760, 768, 770, 798, 836, 840, 847, 880, 896, 912, 924, 960, 968, 993, 1045, 1056, 1064, 1120, 1140, 1155, 1210, 1216, 1232, 1254, 1280, 1320, 1324, 1330, 1344, 1408, 1452, 1463, 1520, 1540, 1596, 1655, 1672, 1680, 1694, 1760, 1792, 1815, 1824, 1848, 1920, 1936, 1986, 1995, 2090, 2112, 2128, 2240, 2280, 2299, 2310, 2317, 2420, 2432, 2464, 2508, 2541, 2640, 2648, 2660, 2688, 2816, 2904, 2926, 3040, 3080, 3135, 3192, 3310, 3344, 3360, 3388, 3520, 3630, 3641, 3648, 3696, 3840, 3872, 3972, 3990, 4180, 4224, 4235, 4256, 4389, 4480, 4560, 4598, 4620, 4634, 4840, 4864, 4928, 4965, 5016, 5082, 5280, 5296, 5320, 5376, 5808, 5852, 6080, 6160, 6270, 6289, 6384, 6620, 6688, 6720, 6776, 6897, 6951, 7040, 7260, 7282, 7296, 7315, 7392, 7744, 7944, 7980, 8360, 8448, 8470, 8512, 8778, 8960, 9120, 9196, 9240, 9268, 9680, 9856, 9930, 10032, 10164, 10560, 10592, 10640, 10923, 11495, 11585, 11616, 11704, 12160, 12320, 12540, 12578, 12705, 12768, 13240, 13376, 13440, 13552, 13794, 13902, 14080, 14520, 14564, 14592, 14630, 14784, 15488, 15888, 15960, 16093, 16720, 16940, 17024, 17556, 18205, 18240, 18392, 18480, 18536, 18867, 19360, 19712, 19860, 20064, 20328, 21120, 21184, 21280, 21846, 21945, 22990, 23170, 23232, 23408, 24320, 24640, 25080, 25156, 25410, 25487, 25536, 26480, 26752, 26880, 27104, 27588, 27804, 29040, 29128, 29260, 29568, 30976, 31445, 31776, 31920, 32186, 33440, 33880, 34048, 34485, 34755, 35112, 36410, 36480, 36784, 36960, 37072, 37734, 38720, 39720, 40051, 40128, 40656, 42240, 42368, 42560, 43692, 43890, 44023, 45980, 46340, 46464, 46816, 48279, 49280, 50160, 50312, 50820, 50974, 51072, 52960, 53504, 54208, 54615, 55176, 55608, 58080, 58256, 58520, 59136, 62890, 63552, 63840, 64372, 66880, 67760, 68970, 69179, 69510, 70224, 72820, 72960, 73568, 73920, 74144, 75468, 76461, 77440, 79440, 80102, 80256, 80465, 81312, 84736, 85120, 87384, 87780, 88046, 91960, 92680, 92928, 93632, 94335, 96558, 98560, 100320, 100624, 101640, 101948, 102144, 105920, 108416, 109230, 110352, 111216, 116160, 116512, 117040, 120153, 125780, 127104, 127435, 127680, 128744, 132069, 133760, 135520, 137940, 138358, 139020, 140448, 145640, 147136, 147840, 148288, 150936, 152922, 154880, 158880, 160204, 160512, 160930, 162624, 170240, 174768, 175560, 176092, 183920, 185360, 187264, 188670, 193116, 200255, 200640, 201248, 203280, 203896, 207537, 211840, 216832, 218460, 220115, 220704, 222432, 232320, 233024, 234080, 240306, 241395, 251560, 254208, 254870, 255360, 257488, 264138, 267520, 271040, 275880, 276716, 278040, 280357, 280896, 291280, 294272, 295680, 296576, 301872, 305844, 317760, 320408, 321860, 325248, 345895, 349536, 351120, 352184, 367840, 370720, 374528, 377340, 382305, 386232, 400510, 401280, 402496, 406560, 407792, 415074, 423680, 436920, 440230, 441408, 444864, 464640, 466048, 468160, 480612, 482790, 484253, 503120, 509740, 510720, 514976, 528276, 542080, 551760, 553432, 556080, 560714, 561792, 582560, 588544, 593152, 600765, 603744, 611688, 635520, 640816, 643720, 650496, 660345, 691790, 699072, 702240, 704368, 735680, 741440, 754680, 760969, 764610, 772464, 801020, 802560, 804992, 813120, 815584, 830148, 841071, 873840, 880460, 882816, 889728, 932096, 936320, 961224, 965580, 968506, 1006240, 1019480, 1029952, 1037685, 1056552, 1084160, 1103520, 1106864, 1112160, 1121428, 1123584, 1165120, 1201530, 1207488, 1223376, 1271040, 1281632, 1287440, 1320690, 1383580, 1398144, 1401785, 1404480, 1408736, 1452759, 1471360, 1482880, 1509360, 1521938, 1529220, 1544928, 1602040, 1609984, 1626240, 1631168, 1660296, 1682142, 1747680, 1760920, 1765632, 1779456, 1872640, 1922448, 1931160, 1937012, 2012480, 2038960, 2059904, 2075370, 2113104, 2207040, 2213728, 2224320, 2242856, 2282907, 2330240, 2403060, 2414976, 2421265, 2446752, 2563264, 2574880, 2641380, 2767160, 2796288, 2803570, 2808960, 2817472, 2905518, 2942720, 2965760, 3018720, 3043876, 3058440, 3089856, 3204080, 3252480, 3262336, 3320592, 3364284, 3495360, 3521840, 3804845, 3844896, 3862320, 3874024, 4024960, 4077920, 4119808, 4150740, 4205355, 4226208, 4414080, 4427456, 4448640, 4485712, 4565814, 4660480, 4806120, 4829952, 4842530, 4893504, 5126528, 5149760, 5282760, 5326783, 5534320, 5607140, 5617920, 5634944, 5811036, 6037440, 6087752, 6116880, 6179712, 6408160, 6524672, 6641184, 6728568, 6990720, 7043680, 7263795, 7609690, 7689792, 7724640, 7748048, 8049920, 8155840, 8301480, 8410710, 8452416, 8828160, 8854912, 8897280, 8971424, 9131628, 9612240, 9685060, 9787008, 10253056, 10299520, 10565520, 10653566, 11068640, 11214280, 11269888, 11414535, 11622072, 12074880, 12175504, 12233760, 12359424, 12816320, 13282368, 13457136, 13981440, 14087360, 14527590, 15219380, 15379584, 15449280, 15496096, 15980349, 16311680, 16602960, 16821420, 16904832, 17709824, 17942848, 18263256, 19224480, 19370120, 19574016, 20599040, 21131040, 21307132, 22137280, 22428560, 22829070, 23244144, 24149760, 24351008, 24467520, 25632640, 26564736, 26633915, 26914272, 28174720, 29055180, 30438760, 30759168, 30898560, 30992192, 31960698, 32623360, 33205920, 33642840, 33809664, 35885696, 36526512, 38448960, 38740240, 42262080, 42614264, 44274560, 44857120, 45658140, 46488288, 48702016, 48935040, 51265280, 53129472, 53267830, 53828544, 56349440, 58110360, 60877520, 61797120, 61984384, 63921396, 66411840, 67285680, 71771392, 73053024, 76897920, 77480480, 79901745, 84524160, 85228528, 88549120, 89714240, 91316280, 92976576, 97404032, 97870080, 106535660, 107657088, 116220720, 121755040, 123968768, 127842792, 132823680, 134571360, 146106048, 153795840, 154960960, 159803490, 169048320, 170457056, 179428480, 182632560, 185953152, 194808064, 213071320, 215314176, 232441440, 243510080, 255685584, 265647360, 269142720, 292212096, 309921920, 319606980, 340914112, 358856960, 365265120, 371906304, 426142640, 464882880, 487020160, 511371168, 538285440, 584424192, 619843840, 639213960, 681828224, 730530240, 852285280, 929765760, 974040320, 1022742336, 1076570880, 1278427920, 1363656448, 1461060480, 1704570560, 1859531520, 2045484672, 2556855840, 2922120960, 3409141120, 4090969344, 5113711680, 6818282240, 10227423360, 20454846720]

約数ペア:

[(1, 20454846720), (2, 10227423360), (3, 6818282240), (4, 5113711680), (5, 4090969344), (6, 3409141120), (7, 2922120960), (8, 2556855840), (10, 2045484672), (11, 1859531520), (12, 1704570560), (14, 1461060480), (15, 1363656448), (16, 1278427920), (19, 1076570880), (20, 1022742336), (21, 974040320), (22, 929765760), (24, 852285280), (28, 730530240), (30, 681828224), (32, 639213960), (33, 619843840), (35, 584424192), (38, 538285440), (40, 511371168), (42, 487020160), (44, 464882880), (48, 426142640), (55, 371906304), (56, 365265120), (57, 358856960), (60, 340914112), (64, 319606980), (66, 309921920), (70, 292212096), (76, 269142720), (77, 265647360), (80, 255685584), (84, 243510080), (88, 232441440), (95, 215314176), (96, 213071320), (105, 194808064), (110, 185953152), (112, 182632560), (114, 179428480), (120, 170457056), (121, 169048320), (128, 159803490), (132, 154960960), (133, 153795840), (140, 146106048), (152, 134571360), (154, 132823680), (160, 127842792), (165, 123968768), (168, 121755040), (176, 116220720), (190, 107657088), (192, 106535660), (209, 97870080), (210, 97404032), (220, 92976576), (224, 91316280), (228, 89714240), (231, 88549120), (240, 85228528), (242, 84524160), (256, 79901745), (264, 77480480), (266, 76897920), (280, 73053024), (285, 71771392), (304, 67285680), (308, 66411840), (320, 63921396), (330, 61984384), (331, 61797120), (336, 60877520), (352, 58110360), (363, 56349440), (380, 53828544), (384, 53267830), (385, 53129472), (399, 51265280), (418, 48935040), (420, 48702016), (440, 46488288), (448, 45658140), (456, 44857120), (462, 44274560), (480, 42614264), (484, 42262080), (528, 38740240), (532, 38448960), (560, 36526512), (570, 35885696), (605, 33809664), (608, 33642840), (616, 33205920), (627, 32623360), (640, 31960698), (660, 30992192), (662, 30898560), (665, 30759168), (672, 30438760), (704, 29055180), (726, 28174720), (760, 26914272), (768, 26633915), (770, 26564736), (798, 25632640), (836, 24467520), (840, 24351008), (847, 24149760), (880, 23244144), (896, 22829070), (912, 22428560), (924, 22137280), (960, 21307132), (968, 21131040), (993, 20599040), (1045, 19574016), (1056, 19370120), (1064, 19224480), (1120, 18263256), (1140, 17942848), (1155, 17709824), (1210, 16904832), (1216, 16821420), (1232, 16602960), (1254, 16311680), (1280, 15980349), (1320, 15496096), (1324, 15449280), (1330, 15379584), (1344, 15219380), (1408, 14527590), (1452, 14087360), (1463, 13981440), (1520, 13457136), (1540, 13282368), (1596, 12816320), (1655, 12359424), (1672, 12233760), (1680, 12175504), (1694, 12074880), (1760, 11622072), (1792, 11414535), (1815, 11269888), (1824, 11214280), (1848, 11068640), (1920, 10653566), (1936, 10565520), (1986, 10299520), (1995, 10253056), (2090, 9787008), (2112, 9685060), (2128, 9612240), (2240, 9131628), (2280, 8971424), (2299, 8897280), (2310, 8854912), (2317, 8828160), (2420, 8452416), (2432, 8410710), (2464, 8301480), (2508, 8155840), (2541, 8049920), (2640, 7748048), (2648, 7724640), (2660, 7689792), (2688, 7609690), (2816, 7263795), (2904, 7043680), (2926, 6990720), (3040, 6728568), (3080, 6641184), (3135, 6524672), (3192, 6408160), (3310, 6179712), (3344, 6116880), (3360, 6087752), (3388, 6037440), (3520, 5811036), (3630, 5634944), (3641, 5617920), (3648, 5607140), (3696, 5534320), (3840, 5326783), (3872, 5282760), (3972, 5149760), (3990, 5126528), (4180, 4893504), (4224, 4842530), (4235, 4829952), (4256, 4806120), (4389, 4660480), (4480, 4565814), (4560, 4485712), (4598, 4448640), (4620, 4427456), (4634, 4414080), (4840, 4226208), (4864, 4205355), (4928, 4150740), (4965, 4119808), (5016, 4077920), (5082, 4024960), (5280, 3874024), (5296, 3862320), (5320, 3844896), (5376, 3804845), (5808, 3521840), (5852, 3495360), (6080, 3364284), (6160, 3320592), (6270, 3262336), (6289, 3252480), (6384, 3204080), (6620, 3089856), (6688, 3058440), (6720, 3043876), (6776, 3018720), (6897, 2965760), (6951, 2942720), (7040, 2905518), (7260, 2817472), (7282, 2808960), (7296, 2803570), (7315, 2796288), (7392, 2767160), (7744, 2641380), (7944, 2574880), (7980, 2563264), (8360, 2446752), (8448, 2421265), (8470, 2414976), (8512, 2403060), (8778, 2330240), (8960, 2282907), (9120, 2242856), (9196, 2224320), (9240, 2213728), (9268, 2207040), (9680, 2113104), (9856, 2075370), (9930, 2059904), (10032, 2038960), (10164, 2012480), (10560, 1937012), (10592, 1931160), (10640, 1922448), (10923, 1872640), (11495, 1779456), (11585, 1765632), (11616, 1760920), (11704, 1747680), (12160, 1682142), (12320, 1660296), (12540, 1631168), (12578, 1626240), (12705, 1609984), (12768, 1602040), (13240, 1544928), (13376, 1529220), (13440, 1521938), (13552, 1509360), (13794, 1482880), (13902, 1471360), (14080, 1452759), (14520, 1408736), (14564, 1404480), (14592, 1401785), (14630, 1398144), (14784, 1383580), (15488, 1320690), (15888, 1287440), (15960, 1281632), (16093, 1271040), (16720, 1223376), (16940, 1207488), (17024, 1201530), (17556, 1165120), (18205, 1123584), (18240, 1121428), (18392, 1112160), (18480, 1106864), (18536, 1103520), (18867, 1084160), (19360, 1056552), (19712, 1037685), (19860, 1029952), (20064, 1019480), (20328, 1006240), (21120, 968506), (21184, 965580), (21280, 961224), (21846, 936320), (21945, 932096), (22990, 889728), (23170, 882816), (23232, 880460), (23408, 873840), (24320, 841071), (24640, 830148), (25080, 815584), (25156, 813120), (25410, 804992), (25487, 802560), (25536, 801020), (26480, 772464), (26752, 764610), (26880, 760969), (27104, 754680), (27588, 741440), (27804, 735680), (29040, 704368), (29128, 702240), (29260, 699072), (29568, 691790), (30976, 660345), (31445, 650496), (31776, 643720), (31920, 640816), (32186, 635520), (33440, 611688), (33880, 603744), (34048, 600765), (34485, 593152), (34755, 588544), (35112, 582560), (36410, 561792), (36480, 560714), (36784, 556080), (36960, 553432), (37072, 551760), (37734, 542080), (38720, 528276), (39720, 514976), (40051, 510720), (40128, 509740), (40656, 503120), (42240, 484253), (42368, 482790), (42560, 480612), (43692, 468160), (43890, 466048), (44023, 464640), (45980, 444864), (46340, 441408), (46464, 440230), (46816, 436920), (48279, 423680), (49280, 415074), (50160, 407792), (50312, 406560), (50820, 402496), (50974, 401280), (51072, 400510), (52960, 386232), (53504, 382305), (54208, 377340), (54615, 374528), (55176, 370720), (55608, 367840), (58080, 352184), (58256, 351120), (58520, 349536), (59136, 345895), (62890, 325248), (63552, 321860), (63840, 320408), (64372, 317760), (66880, 305844), (67760, 301872), (68970, 296576), (69179, 295680), (69510, 294272), (70224, 291280), (72820, 280896), (72960, 280357), (73568, 278040), (73920, 276716), (74144, 275880), (75468, 271040), (76461, 267520), (77440, 264138), (79440, 257488), (80102, 255360), (80256, 254870), (80465, 254208), (81312, 251560), (84736, 241395), (85120, 240306), (87384, 234080), (87780, 233024), (88046, 232320), (91960, 222432), (92680, 220704), (92928, 220115), (93632, 218460), (94335, 216832), (96558, 211840), (98560, 207537), (100320, 203896), (100624, 203280), (101640, 201248), (101948, 200640), (102144, 200255), (105920, 193116), (108416, 188670), (109230, 187264), (110352, 185360), (111216, 183920), (116160, 176092), (116512, 175560), (117040, 174768), (120153, 170240), (125780, 162624), (127104, 160930), (127435, 160512), (127680, 160204), (128744, 158880), (132069, 154880), (133760, 152922), (135520, 150936), (137940, 148288), (138358, 147840), (139020, 147136), (140448, 145640)]