21378971520

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1427}}^1$

素因数の和:1492

約数の個数: 480

約数和(自身を含む): 81160251480

約数和(自身を除く): 59781279960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 162, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 289, 306, 320, 324, 340, 360, 384, 405, 408, 432, 459, 480, 510, 540, 544, 576, 578, 612, 640, 648, 680, 720, 765, 810, 816, 864, 867, 918, 960, 1020, 1080, 1088, 1152, 1156, 1224, 1296, 1360, 1377, 1427, 1440, 1445, 1530, 1620, 1632, 1728, 1734, 1836, 1920, 2040, 2160, 2176, 2295, 2312, 2448, 2592, 2601, 2720, 2754, 2854, 2880, 2890, 3060, 3240, 3264, 3456, 3468, 3672, 4080, 4281, 4320, 4335, 4590, 4624, 4896, 5184, 5202, 5440, 5508, 5708, 5760, 5780, 6120, 6480, 6528, 6885, 6936, 7135, 7344, 7803, 8160, 8562, 8640, 8670, 9180, 9248, 9792, 10368, 10404, 10880, 11016, 11416, 11560, 12240, 12843, 12960, 13005, 13770, 13872, 14270, 14688, 15606, 16320, 17124, 17280, 17340, 18360, 18496, 19584, 20808, 21405, 22032, 22832, 23120, 23409, 24259, 24480, 25686, 25920, 26010, 27540, 27744, 28540, 29376, 31212, 32640, 34248, 34680, 36720, 36992, 38529, 39015, 41616, 42810, 44064, 45664, 46240, 46818, 48518, 48960, 51372, 51840, 52020, 55080, 55488, 57080, 58752, 62424, 64215, 68496, 69360, 72777, 73440, 77058, 78030, 83232, 85620, 88128, 91328, 92480, 93636, 97036, 97920, 102744, 104040, 110160, 110976, 114160, 115587, 117045, 121295, 124848, 128430, 136992, 138720, 145554, 146880, 154116, 156060, 166464, 171240, 176256, 182656, 184960, 187272, 192645, 194072, 205488, 208080, 218331, 220320, 228320, 231174, 234090, 242590, 249696, 256860, 273984, 277440, 291108, 293760, 308232, 312120, 332928, 342480, 363885, 374544, 385290, 388144, 410976, 412403, 416160, 436662, 440640, 456640, 462348, 468180, 485180, 499392, 513720, 547968, 554880, 577935, 582216, 616464, 624240, 654993, 684960, 727770, 749088, 770580, 776288, 821952, 824806, 832320, 873324, 881280, 913280, 924696, 936360, 970360, 998784, 1027440, 1091655, 1155870, 1164432, 1232928, 1237209, 1248480, 1309986, 1369920, 1455540, 1498176, 1541160, 1552576, 1643904, 1649612, 1664640, 1746648, 1849392, 1872720, 1940720, 1964979, 2054880, 2062015, 2183310, 2311740, 2328864, 2465856, 2474418, 2496960, 2619972, 2739840, 2911080, 2996352, 3082320, 3105152, 3274965, 3299224, 3493296, 3698784, 3711627, 3745440, 3881440, 3929958, 4109760, 4124030, 4366620, 4623480, 4657728, 4931712, 4948836, 4993920, 5239944, 5822160, 6164640, 6186045, 6549930, 6598448, 6986592, 7397568, 7423254, 7490880, 7762880, 7859916, 8219520, 8248060, 8733240, 9246960, 9315456, 9824895, 9897672, 10479888, 11134881, 11644320, 12329280, 12372090, 13099860, 13196896, 13973184, 14795136, 14846508, 14981760, 15525760, 15719832, 16496120, 17466480, 18493920, 18558135, 19649790, 19795344, 20959776, 22269762, 23288640, 24658560, 24744180, 26199720, 26393792, 27946368, 29693016, 31439664, 32992240, 33404643, 34932960, 36987840, 37116270, 39299580, 39590688, 41919552, 44539524, 46577280, 49488360, 52399440, 52787584, 55674405, 59386032, 62879328, 65984480, 66809286, 69865920, 73975680, 74232540, 78599160, 79181376, 83839104, 89079048, 98976720, 104798880, 111348810, 118772064, 125758656, 131968960, 133618572, 139731840, 148465080, 157198320, 158362752, 167023215, 178158096, 197953440, 209597760, 222697620, 237544128, 251517312, 263937920, 267237144, 296930160, 314396640, 334046430, 356316192, 395906880, 419195520, 445395240, 475088256, 534474288, 593860320, 628793280, 668092860, 712632384, 791813760, 890790480, 1068948576, 1187720640, 1257586560, 1336185720, 1425264768, 1781580960, 2137897152, 2375441280, 2672371440, 3563161920, 4275794304, 5344742880, 7126323840, 10689485760, 21378971520]

約数ペア:

[(1, 21378971520), (2, 10689485760), (3, 7126323840), (4, 5344742880), (5, 4275794304), (6, 3563161920), (8, 2672371440), (9, 2375441280), (10, 2137897152), (12, 1781580960), (15, 1425264768), (16, 1336185720), (17, 1257586560), (18, 1187720640), (20, 1068948576), (24, 890790480), (27, 791813760), (30, 712632384), (32, 668092860), (34, 628793280), (36, 593860320), (40, 534474288), (45, 475088256), (48, 445395240), (51, 419195520), (54, 395906880), (60, 356316192), (64, 334046430), (68, 314396640), (72, 296930160), (80, 267237144), (81, 263937920), (85, 251517312), (90, 237544128), (96, 222697620), (102, 209597760), (108, 197953440), (120, 178158096), (128, 167023215), (135, 158362752), (136, 157198320), (144, 148465080), (153, 139731840), (160, 133618572), (162, 131968960), (170, 125758656), (180, 118772064), (192, 111348810), (204, 104798880), (216, 98976720), (240, 89079048), (255, 83839104), (270, 79181376), (272, 78599160), (288, 74232540), (289, 73975680), (306, 69865920), (320, 66809286), (324, 65984480), (340, 62879328), (360, 59386032), (384, 55674405), (405, 52787584), (408, 52399440), (432, 49488360), (459, 46577280), (480, 44539524), (510, 41919552), (540, 39590688), (544, 39299580), (576, 37116270), (578, 36987840), (612, 34932960), (640, 33404643), (648, 32992240), (680, 31439664), (720, 29693016), (765, 27946368), (810, 26393792), (816, 26199720), (864, 24744180), (867, 24658560), (918, 23288640), (960, 22269762), (1020, 20959776), (1080, 19795344), (1088, 19649790), (1152, 18558135), (1156, 18493920), (1224, 17466480), (1296, 16496120), (1360, 15719832), (1377, 15525760), (1427, 14981760), (1440, 14846508), (1445, 14795136), (1530, 13973184), (1620, 13196896), (1632, 13099860), (1728, 12372090), (1734, 12329280), (1836, 11644320), (1920, 11134881), (2040, 10479888), (2160, 9897672), (2176, 9824895), (2295, 9315456), (2312, 9246960), (2448, 8733240), (2592, 8248060), (2601, 8219520), (2720, 7859916), (2754, 7762880), (2854, 7490880), (2880, 7423254), (2890, 7397568), (3060, 6986592), (3240, 6598448), (3264, 6549930), (3456, 6186045), (3468, 6164640), (3672, 5822160), (4080, 5239944), (4281, 4993920), (4320, 4948836), (4335, 4931712), (4590, 4657728), (4624, 4623480), (4896, 4366620), (5184, 4124030), (5202, 4109760), (5440, 3929958), (5508, 3881440), (5708, 3745440), (5760, 3711627), (5780, 3698784), (6120, 3493296), (6480, 3299224), (6528, 3274965), (6885, 3105152), (6936, 3082320), (7135, 2996352), (7344, 2911080), (7803, 2739840), (8160, 2619972), (8562, 2496960), (8640, 2474418), (8670, 2465856), (9180, 2328864), (9248, 2311740), (9792, 2183310), (10368, 2062015), (10404, 2054880), (10880, 1964979), (11016, 1940720), (11416, 1872720), (11560, 1849392), (12240, 1746648), (12843, 1664640), (12960, 1649612), (13005, 1643904), (13770, 1552576), (13872, 1541160), (14270, 1498176), (14688, 1455540), (15606, 1369920), (16320, 1309986), (17124, 1248480), (17280, 1237209), (17340, 1232928), (18360, 1164432), (18496, 1155870), (19584, 1091655), (20808, 1027440), (21405, 998784), (22032, 970360), (22832, 936360), (23120, 924696), (23409, 913280), (24259, 881280), (24480, 873324), (25686, 832320), (25920, 824806), (26010, 821952), (27540, 776288), (27744, 770580), (28540, 749088), (29376, 727770), (31212, 684960), (32640, 654993), (34248, 624240), (34680, 616464), (36720, 582216), (36992, 577935), (38529, 554880), (39015, 547968), (41616, 513720), (42810, 499392), (44064, 485180), (45664, 468180), (46240, 462348), (46818, 456640), (48518, 440640), (48960, 436662), (51372, 416160), (51840, 412403), (52020, 410976), (55080, 388144), (55488, 385290), (57080, 374544), (58752, 363885), (62424, 342480), (64215, 332928), (68496, 312120), (69360, 308232), (72777, 293760), (73440, 291108), (77058, 277440), (78030, 273984), (83232, 256860), (85620, 249696), (88128, 242590), (91328, 234090), (92480, 231174), (93636, 228320), (97036, 220320), (97920, 218331), (102744, 208080), (104040, 205488), (110160, 194072), (110976, 192645), (114160, 187272), (115587, 184960), (117045, 182656), (121295, 176256), (124848, 171240), (128430, 166464), (136992, 156060), (138720, 154116), (145554, 146880)]