20407857120

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:688

約数の個数: 576

約数和(自身を含む): 83650190400

約数和(自身を除く): 63242333280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 196, 210, 216, 224, 229, 240, 245, 252, 270, 280, 288, 294, 315, 336, 360, 378, 392, 420, 421, 432, 441, 458, 480, 490, 504, 540, 560, 588, 630, 672, 687, 720, 735, 756, 784, 840, 842, 864, 882, 916, 945, 980, 1008, 1080, 1120, 1145, 1176, 1260, 1263, 1323, 1374, 1440, 1470, 1512, 1568, 1603, 1680, 1684, 1764, 1832, 1890, 1960, 2016, 2061, 2105, 2160, 2205, 2290, 2352, 2520, 2526, 2646, 2748, 2940, 2947, 3024, 3206, 3360, 3368, 3435, 3528, 3664, 3780, 3789, 3920, 4122, 4210, 4320, 4410, 4580, 4704, 4809, 5040, 5052, 5292, 5496, 5880, 5894, 6048, 6183, 6315, 6412, 6615, 6736, 6870, 7056, 7328, 7560, 7578, 7840, 8015, 8244, 8420, 8820, 8841, 9160, 9618, 10080, 10104, 10305, 10584, 10992, 11221, 11367, 11760, 11788, 12366, 12630, 12824, 13230, 13472, 13740, 14112, 14427, 14735, 15120, 15156, 16030, 16488, 16840, 17640, 17682, 18320, 18945, 19236, 20208, 20610, 20629, 21168, 21984, 22442, 22734, 23520, 23576, 24045, 24732, 25260, 25648, 26460, 26523, 27480, 28854, 29470, 30240, 30312, 30915, 32060, 32976, 33663, 33680, 35280, 35364, 36640, 37890, 38472, 40416, 41220, 41258, 42336, 43281, 44205, 44884, 45468, 47152, 48090, 49464, 50520, 51296, 52920, 53046, 54960, 56105, 56835, 57708, 58940, 60624, 61830, 61887, 64120, 65952, 67326, 67360, 70560, 70728, 72135, 75780, 76944, 79569, 82440, 82516, 86562, 88410, 89768, 90936, 94304, 96180, 96409, 98928, 100989, 101040, 103145, 105840, 106092, 109920, 112210, 113670, 115416, 117880, 121248, 123660, 123774, 128240, 132615, 134652, 141456, 144270, 151560, 153888, 159138, 164880, 165032, 168315, 173124, 176820, 179536, 181872, 185661, 192360, 192818, 197856, 201978, 202080, 206290, 211680, 212184, 216405, 224420, 227340, 230832, 235760, 247320, 247548, 256480, 265230, 269304, 282912, 288540, 289227, 302967, 303120, 309435, 318276, 329760, 330064, 336630, 346248, 353640, 359072, 363744, 371322, 384720, 385636, 397845, 403956, 412580, 424368, 432810, 448840, 454680, 461664, 471520, 482045, 494640, 495096, 504945, 530460, 538608, 556983, 577080, 578454, 605934, 606240, 618870, 636552, 660128, 673260, 674863, 692496, 707280, 742644, 769440, 771272, 795690, 807912, 825160, 848736, 865620, 867681, 897680, 909360, 928305, 964090, 989280, 990192, 1009890, 1060920, 1077216, 1113966, 1154160, 1156908, 1211868, 1237740, 1273104, 1346520, 1349726, 1384992, 1414560, 1446135, 1485288, 1514835, 1542544, 1591380, 1615824, 1650320, 1731240, 1735362, 1795360, 1818720, 1856610, 1928180, 1980384, 2019780, 2024589, 2121840, 2227932, 2308320, 2313816, 2423736, 2475480, 2546208, 2603043, 2693040, 2699452, 2784915, 2892270, 2970576, 3029670, 3085088, 3182760, 3231648, 3300640, 3374315, 3462480, 3470724, 3713220, 3856360, 4039560, 4049178, 4243680, 4338405, 4455864, 4627632, 4724041, 4847472, 4950960, 5206086, 5386080, 5398904, 5569830, 5784540, 5941152, 6059340, 6073767, 6365520, 6748630, 6924960, 6941448, 7426440, 7712720, 8079120, 8098356, 8676810, 8911728, 9255264, 9448082, 9694944, 9901920, 10122945, 10412172, 10797808, 11139660, 11569080, 12118680, 12147534, 12731040, 13015215, 13497260, 13882896, 14172123, 14852880, 15425440, 16158240, 16196712, 17353620, 17823456, 18221301, 18896164, 20245890, 20824344, 21595616, 22279320, 23138160, 23620205, 24237360, 24295068, 26030430, 26994520, 27765792, 28344246, 29705760, 30368835, 32393424, 34707240, 36442602, 37792328, 40491780, 41648688, 42516369, 44558640, 46276320, 47240410, 48474720, 48590136, 52060860, 53989040, 56688492, 60737670, 64786848, 69414480, 70860615, 72885204, 75584656, 80983560, 83297376, 85032738, 89117280, 91106505, 94480820, 97180272, 104121720, 107978080, 113376984, 121475340, 127549107, 138828960, 141721230, 145770408, 151169312, 161967120, 170065476, 182213010, 188961640, 194360544, 208243440, 212581845, 226753968, 242950680, 255098214, 283442460, 291540816, 323934240, 340130952, 364426020, 377923280, 416486880, 425163690, 453507936, 485901360, 510196428, 566884920, 583081632, 637745535, 680261904, 728852040, 755846560, 850327380, 971802720, 1020392856, 1133769840, 1275491070, 1360523808, 1457704080, 1700654760, 2040785712, 2267539680, 2550982140, 2915408160, 3401309520, 4081571424, 5101964280, 6802619040, 10203928560, 20407857120]

約数ペア:

[(1, 20407857120), (2, 10203928560), (3, 6802619040), (4, 5101964280), (5, 4081571424), (6, 3401309520), (7, 2915408160), (8, 2550982140), (9, 2267539680), (10, 2040785712), (12, 1700654760), (14, 1457704080), (15, 1360523808), (16, 1275491070), (18, 1133769840), (20, 1020392856), (21, 971802720), (24, 850327380), (27, 755846560), (28, 728852040), (30, 680261904), (32, 637745535), (35, 583081632), (36, 566884920), (40, 510196428), (42, 485901360), (45, 453507936), (48, 425163690), (49, 416486880), (54, 377923280), (56, 364426020), (60, 340130952), (63, 323934240), (70, 291540816), (72, 283442460), (80, 255098214), (84, 242950680), (90, 226753968), (96, 212581845), (98, 208243440), (105, 194360544), (108, 188961640), (112, 182213010), (120, 170065476), (126, 161967120), (135, 151169312), (140, 145770408), (144, 141721230), (147, 138828960), (160, 127549107), (168, 121475340), (180, 113376984), (189, 107978080), (196, 104121720), (210, 97180272), (216, 94480820), (224, 91106505), (229, 89117280), (240, 85032738), (245, 83297376), (252, 80983560), (270, 75584656), (280, 72885204), (288, 70860615), (294, 69414480), (315, 64786848), (336, 60737670), (360, 56688492), (378, 53989040), (392, 52060860), (420, 48590136), (421, 48474720), (432, 47240410), (441, 46276320), (458, 44558640), (480, 42516369), (490, 41648688), (504, 40491780), (540, 37792328), (560, 36442602), (588, 34707240), (630, 32393424), (672, 30368835), (687, 29705760), (720, 28344246), (735, 27765792), (756, 26994520), (784, 26030430), (840, 24295068), (842, 24237360), (864, 23620205), (882, 23138160), (916, 22279320), (945, 21595616), (980, 20824344), (1008, 20245890), (1080, 18896164), (1120, 18221301), (1145, 17823456), (1176, 17353620), (1260, 16196712), (1263, 16158240), (1323, 15425440), (1374, 14852880), (1440, 14172123), (1470, 13882896), (1512, 13497260), (1568, 13015215), (1603, 12731040), (1680, 12147534), (1684, 12118680), (1764, 11569080), (1832, 11139660), (1890, 10797808), (1960, 10412172), (2016, 10122945), (2061, 9901920), (2105, 9694944), (2160, 9448082), (2205, 9255264), (2290, 8911728), (2352, 8676810), (2520, 8098356), (2526, 8079120), (2646, 7712720), (2748, 7426440), (2940, 6941448), (2947, 6924960), (3024, 6748630), (3206, 6365520), (3360, 6073767), (3368, 6059340), (3435, 5941152), (3528, 5784540), (3664, 5569830), (3780, 5398904), (3789, 5386080), (3920, 5206086), (4122, 4950960), (4210, 4847472), (4320, 4724041), (4410, 4627632), (4580, 4455864), (4704, 4338405), (4809, 4243680), (5040, 4049178), (5052, 4039560), (5292, 3856360), (5496, 3713220), (5880, 3470724), (5894, 3462480), (6048, 3374315), (6183, 3300640), (6315, 3231648), (6412, 3182760), (6615, 3085088), (6736, 3029670), (6870, 2970576), (7056, 2892270), (7328, 2784915), (7560, 2699452), (7578, 2693040), (7840, 2603043), (8015, 2546208), (8244, 2475480), (8420, 2423736), (8820, 2313816), (8841, 2308320), (9160, 2227932), (9618, 2121840), (10080, 2024589), (10104, 2019780), (10305, 1980384), (10584, 1928180), (10992, 1856610), (11221, 1818720), (11367, 1795360), (11760, 1735362), (11788, 1731240), (12366, 1650320), (12630, 1615824), (12824, 1591380), (13230, 1542544), (13472, 1514835), (13740, 1485288), (14112, 1446135), (14427, 1414560), (14735, 1384992), (15120, 1349726), (15156, 1346520), (16030, 1273104), (16488, 1237740), (16840, 1211868), (17640, 1156908), (17682, 1154160), (18320, 1113966), (18945, 1077216), (19236, 1060920), (20208, 1009890), (20610, 990192), (20629, 989280), (21168, 964090), (21984, 928305), (22442, 909360), (22734, 897680), (23520, 867681), (23576, 865620), (24045, 848736), (24732, 825160), (25260, 807912), (25648, 795690), (26460, 771272), (26523, 769440), (27480, 742644), (28854, 707280), (29470, 692496), (30240, 674863), (30312, 673260), (30915, 660128), (32060, 636552), (32976, 618870), (33663, 606240), (33680, 605934), (35280, 578454), (35364, 577080), (36640, 556983), (37890, 538608), (38472, 530460), (40416, 504945), (41220, 495096), (41258, 494640), (42336, 482045), (43281, 471520), (44205, 461664), (44884, 454680), (45468, 448840), (47152, 432810), (48090, 424368), (49464, 412580), (50520, 403956), (51296, 397845), (52920, 385636), (53046, 384720), (54960, 371322), (56105, 363744), (56835, 359072), (57708, 353640), (58940, 346248), (60624, 336630), (61830, 330064), (61887, 329760), (64120, 318276), (65952, 309435), (67326, 303120), (67360, 302967), (70560, 289227), (70728, 288540), (72135, 282912), (75780, 269304), (76944, 265230), (79569, 256480), (82440, 247548), (82516, 247320), (86562, 235760), (88410, 230832), (89768, 227340), (90936, 224420), (94304, 216405), (96180, 212184), (96409, 211680), (98928, 206290), (100989, 202080), (101040, 201978), (103145, 197856), (105840, 192818), (106092, 192360), (109920, 185661), (112210, 181872), (113670, 179536), (115416, 176820), (117880, 173124), (121248, 168315), (123660, 165032), (123774, 164880), (128240, 159138), (132615, 153888), (134652, 151560), (141456, 144270)]