20281148160

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:628

約数の個数: 576

約数和(自身を含む): 80524050432

約数和(自身を除く): 60242902272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 127, 128, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 254, 256, 260, 273, 280, 312, 320, 336, 364, 381, 384, 390, 416, 420, 448, 455, 457, 480, 508, 520, 546, 560, 624, 635, 640, 672, 728, 762, 768, 780, 832, 840, 889, 896, 910, 914, 960, 1016, 1040, 1092, 1120, 1248, 1270, 1280, 1344, 1365, 1371, 1456, 1524, 1560, 1651, 1664, 1680, 1778, 1792, 1820, 1828, 1905, 1920, 2032, 2080, 2184, 2240, 2285, 2496, 2540, 2667, 2688, 2730, 2742, 2912, 3048, 3120, 3199, 3302, 3328, 3360, 3556, 3640, 3656, 3810, 3840, 4064, 4160, 4368, 4445, 4480, 4570, 4953, 4992, 5080, 5334, 5376, 5460, 5484, 5824, 5941, 6096, 6240, 6398, 6604, 6720, 6855, 7112, 7280, 7312, 7620, 8128, 8255, 8320, 8736, 8890, 8960, 9140, 9597, 9906, 9984, 10160, 10668, 10920, 10968, 11557, 11648, 11882, 12192, 12480, 12796, 13208, 13335, 13440, 13710, 14224, 14560, 14624, 15240, 15995, 16256, 16510, 16640, 17472, 17780, 17823, 18280, 19194, 19812, 20320, 21336, 21840, 21936, 23114, 23296, 23764, 24384, 24765, 24960, 25592, 26416, 26670, 26880, 27420, 28448, 29120, 29248, 29705, 30480, 31990, 32512, 33020, 34671, 34944, 35560, 35646, 36560, 38388, 39624, 40640, 41587, 42672, 43680, 43872, 46228, 47528, 47985, 48768, 49530, 49920, 51184, 52832, 53340, 54840, 56896, 57785, 58039, 58240, 58496, 59410, 60960, 63980, 66040, 69342, 69888, 71120, 71292, 73120, 76776, 79248, 81280, 83174, 85344, 87360, 87744, 89115, 92456, 95056, 95970, 97536, 99060, 102368, 105664, 106680, 109680, 113792, 115570, 116078, 116480, 116992, 118820, 121920, 124761, 127960, 132080, 138684, 142240, 142584, 146240, 153552, 158496, 162560, 166348, 170688, 173355, 174117, 174720, 175488, 178230, 184912, 190112, 191940, 198120, 204736, 207935, 211328, 213360, 219360, 227584, 231140, 232156, 237640, 243840, 249522, 255920, 264160, 277368, 284480, 285168, 290195, 292480, 307104, 316992, 332696, 341376, 346710, 348234, 349440, 350976, 356460, 369824, 380224, 383880, 396240, 406273, 409472, 415870, 422656, 426720, 438720, 462280, 464312, 475280, 487680, 499044, 511840, 528320, 554736, 568960, 570336, 580390, 584960, 614208, 623805, 633984, 665392, 682752, 693420, 696468, 712920, 739648, 754507, 760448, 767760, 792480, 812546, 818944, 831740, 853440, 870585, 877440, 924560, 928624, 950560, 998088, 1023680, 1056640, 1109472, 1137920, 1140672, 1160780, 1218819, 1228416, 1247610, 1267968, 1330784, 1386840, 1392936, 1425840, 1479296, 1509014, 1520896, 1535520, 1584960, 1625092, 1663480, 1706880, 1741170, 1754880, 1849120, 1857248, 1901120, 1996176, 2031365, 2047360, 2113280, 2218944, 2263521, 2281344, 2321560, 2437638, 2456832, 2495220, 2661568, 2773680, 2785872, 2851680, 2958592, 3018028, 3071040, 3169920, 3250184, 3326960, 3413760, 3482340, 3698240, 3714496, 3772535, 3802240, 3992352, 4062730, 4094720, 4437888, 4527042, 4562688, 4643120, 4875276, 4990440, 5281549, 5323136, 5547360, 5571744, 5703360, 6036056, 6094095, 6142080, 6339840, 6500368, 6653920, 6964680, 7396480, 7428992, 7545070, 7604480, 7984704, 8125460, 8875776, 9054084, 9286240, 9750552, 9980880, 10563098, 10646272, 11094720, 11143488, 11317605, 11406720, 12072112, 12188190, 12284160, 13000736, 13307840, 13929360, 14792960, 14857984, 15090140, 15844647, 15969408, 16250920, 18108168, 18572480, 19501104, 19961760, 21126196, 22189440, 22286976, 22635210, 22813440, 24144224, 24376380, 26001472, 26407745, 26615680, 27858720, 30180280, 31689294, 31938816, 32501840, 36216336, 37144960, 39002208, 39923520, 42252392, 44378880, 44573952, 45270420, 48288448, 48752760, 52002944, 52815490, 53231360, 55717440, 60360560, 63378588, 65003680, 72432672, 74289920, 78004416, 79223235, 79847040, 84504784, 90540840, 96576896, 97505520, 104005888, 105630980, 111434880, 120721120, 126757176, 130007360, 144865344, 156008832, 158446470, 159694080, 169009568, 181081680, 193153792, 195011040, 211261960, 222869760, 241442240, 253514352, 260014720, 289730688, 312017664, 316892940, 338019136, 362163360, 390022080, 422523920, 482884480, 507028704, 520029440, 579461376, 633785880, 676038272, 724326720, 780044160, 845047840, 965768960, 1014057408, 1267571760, 1352076544, 1448653440, 1560088320, 1690095680, 2028114816, 2535143520, 2897306880, 3380191360, 4056229632, 5070287040, 6760382720, 10140574080, 20281148160]

約数ペア:

[(1, 20281148160), (2, 10140574080), (3, 6760382720), (4, 5070287040), (5, 4056229632), (6, 3380191360), (7, 2897306880), (8, 2535143520), (10, 2028114816), (12, 1690095680), (13, 1560088320), (14, 1448653440), (15, 1352076544), (16, 1267571760), (20, 1014057408), (21, 965768960), (24, 845047840), (26, 780044160), (28, 724326720), (30, 676038272), (32, 633785880), (35, 579461376), (39, 520029440), (40, 507028704), (42, 482884480), (48, 422523920), (52, 390022080), (56, 362163360), (60, 338019136), (64, 316892940), (65, 312017664), (70, 289730688), (78, 260014720), (80, 253514352), (84, 241442240), (91, 222869760), (96, 211261960), (104, 195011040), (105, 193153792), (112, 181081680), (120, 169009568), (127, 159694080), (128, 158446470), (130, 156008832), (140, 144865344), (156, 130007360), (160, 126757176), (168, 120721120), (182, 111434880), (192, 105630980), (195, 104005888), (208, 97505520), (210, 96576896), (224, 90540840), (240, 84504784), (254, 79847040), (256, 79223235), (260, 78004416), (273, 74289920), (280, 72432672), (312, 65003680), (320, 63378588), (336, 60360560), (364, 55717440), (381, 53231360), (384, 52815490), (390, 52002944), (416, 48752760), (420, 48288448), (448, 45270420), (455, 44573952), (457, 44378880), (480, 42252392), (508, 39923520), (520, 39002208), (546, 37144960), (560, 36216336), (624, 32501840), (635, 31938816), (640, 31689294), (672, 30180280), (728, 27858720), (762, 26615680), (768, 26407745), (780, 26001472), (832, 24376380), (840, 24144224), (889, 22813440), (896, 22635210), (910, 22286976), (914, 22189440), (960, 21126196), (1016, 19961760), (1040, 19501104), (1092, 18572480), (1120, 18108168), (1248, 16250920), (1270, 15969408), (1280, 15844647), (1344, 15090140), (1365, 14857984), (1371, 14792960), (1456, 13929360), (1524, 13307840), (1560, 13000736), (1651, 12284160), (1664, 12188190), (1680, 12072112), (1778, 11406720), (1792, 11317605), (1820, 11143488), (1828, 11094720), (1905, 10646272), (1920, 10563098), (2032, 9980880), (2080, 9750552), (2184, 9286240), (2240, 9054084), (2285, 8875776), (2496, 8125460), (2540, 7984704), (2667, 7604480), (2688, 7545070), (2730, 7428992), (2742, 7396480), (2912, 6964680), (3048, 6653920), (3120, 6500368), (3199, 6339840), (3302, 6142080), (3328, 6094095), (3360, 6036056), (3556, 5703360), (3640, 5571744), (3656, 5547360), (3810, 5323136), (3840, 5281549), (4064, 4990440), (4160, 4875276), (4368, 4643120), (4445, 4562688), (4480, 4527042), (4570, 4437888), (4953, 4094720), (4992, 4062730), (5080, 3992352), (5334, 3802240), (5376, 3772535), (5460, 3714496), (5484, 3698240), (5824, 3482340), (5941, 3413760), (6096, 3326960), (6240, 3250184), (6398, 3169920), (6604, 3071040), (6720, 3018028), (6855, 2958592), (7112, 2851680), (7280, 2785872), (7312, 2773680), (7620, 2661568), (8128, 2495220), (8255, 2456832), (8320, 2437638), (8736, 2321560), (8890, 2281344), (8960, 2263521), (9140, 2218944), (9597, 2113280), (9906, 2047360), (9984, 2031365), (10160, 1996176), (10668, 1901120), (10920, 1857248), (10968, 1849120), (11557, 1754880), (11648, 1741170), (11882, 1706880), (12192, 1663480), (12480, 1625092), (12796, 1584960), (13208, 1535520), (13335, 1520896), (13440, 1509014), (13710, 1479296), (14224, 1425840), (14560, 1392936), (14624, 1386840), (15240, 1330784), (15995, 1267968), (16256, 1247610), (16510, 1228416), (16640, 1218819), (17472, 1160780), (17780, 1140672), (17823, 1137920), (18280, 1109472), (19194, 1056640), (19812, 1023680), (20320, 998088), (21336, 950560), (21840, 928624), (21936, 924560), (23114, 877440), (23296, 870585), (23764, 853440), (24384, 831740), (24765, 818944), (24960, 812546), (25592, 792480), (26416, 767760), (26670, 760448), (26880, 754507), (27420, 739648), (28448, 712920), (29120, 696468), (29248, 693420), (29705, 682752), (30480, 665392), (31990, 633984), (32512, 623805), (33020, 614208), (34671, 584960), (34944, 580390), (35560, 570336), (35646, 568960), (36560, 554736), (38388, 528320), (39624, 511840), (40640, 499044), (41587, 487680), (42672, 475280), (43680, 464312), (43872, 462280), (46228, 438720), (47528, 426720), (47985, 422656), (48768, 415870), (49530, 409472), (49920, 406273), (51184, 396240), (52832, 383880), (53340, 380224), (54840, 369824), (56896, 356460), (57785, 350976), (58039, 349440), (58240, 348234), (58496, 346710), (59410, 341376), (60960, 332696), (63980, 316992), (66040, 307104), (69342, 292480), (69888, 290195), (71120, 285168), (71292, 284480), (73120, 277368), (76776, 264160), (79248, 255920), (81280, 249522), (83174, 243840), (85344, 237640), (87360, 232156), (87744, 231140), (89115, 227584), (92456, 219360), (95056, 213360), (95970, 211328), (97536, 207935), (99060, 204736), (102368, 198120), (105664, 191940), (106680, 190112), (109680, 184912), (113792, 178230), (115570, 175488), (116078, 174720), (116480, 174117), (116992, 173355), (118820, 170688), (121920, 166348), (124761, 162560), (127960, 158496), (132080, 153552), (138684, 146240), (142240, 142584)]