19781354880

素因数分解:

$2^7\times 3^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:791

約数の個数: 576

約数和(自身を含む): 80313433200

約数和(自身を除く): 60532078320

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, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 109, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 218, 224, 240, 245, 252, 280, 288, 294, 315, 320, 327, 336, 360, 384, 392, 420, 436, 441, 448, 480, 490, 504, 545, 560, 576, 588, 630, 640, 643, 654, 672, 720, 735, 763, 784, 840, 872, 882, 896, 960, 980, 981, 1008, 1090, 1120, 1152, 1176, 1260, 1286, 1308, 1344, 1440, 1470, 1526, 1568, 1635, 1680, 1744, 1764, 1920, 1929, 1960, 1962, 2016, 2180, 2205, 2240, 2289, 2352, 2520, 2572, 2616, 2688, 2880, 2940, 3052, 3136, 3215, 3270, 3360, 3488, 3528, 3815, 3858, 3920, 3924, 4032, 4360, 4410, 4480, 4501, 4578, 4704, 4905, 5040, 5144, 5232, 5341, 5760, 5787, 5880, 6104, 6272, 6430, 6540, 6720, 6867, 6976, 7056, 7630, 7716, 7840, 7848, 8064, 8720, 8820, 9002, 9156, 9408, 9645, 9810, 10080, 10288, 10464, 10682, 11445, 11574, 11760, 12208, 12860, 13080, 13440, 13503, 13734, 13952, 14112, 15260, 15432, 15680, 15696, 16023, 17440, 17640, 18004, 18312, 18816, 19290, 19620, 20160, 20576, 20928, 21364, 22505, 22890, 23148, 23520, 24416, 25720, 26160, 26705, 27006, 27468, 28224, 28935, 30520, 30864, 31360, 31392, 31507, 32046, 34335, 34880, 35280, 36008, 36624, 38580, 39240, 40320, 40509, 41152, 41856, 42728, 45010, 45780, 46296, 47040, 48069, 48832, 51440, 52320, 53410, 54012, 54936, 56448, 57870, 61040, 61728, 62784, 63014, 64092, 67515, 68670, 69760, 70087, 70560, 72016, 73248, 77160, 78480, 80115, 81018, 82304, 85456, 90020, 91560, 92592, 94080, 94521, 96138, 97664, 102880, 104640, 106820, 108024, 109872, 115740, 122080, 123456, 125568, 126028, 128184, 135030, 137340, 140174, 141120, 144032, 146496, 154320, 156960, 157535, 160230, 162036, 170912, 180040, 183120, 185184, 189042, 192276, 202545, 205760, 209280, 210261, 213640, 216048, 219744, 231480, 240345, 244160, 246912, 252056, 256368, 270060, 274680, 280348, 282240, 283563, 288064, 292992, 308640, 313920, 315070, 320460, 324072, 341824, 350435, 360080, 366240, 370368, 378084, 384552, 405090, 411520, 420522, 427280, 432096, 439488, 462960, 472605, 480690, 488320, 490609, 504112, 512736, 540120, 549360, 560696, 567126, 576128, 617280, 627840, 630140, 630783, 640920, 648144, 683648, 700870, 720160, 732480, 740736, 756168, 769104, 810180, 841044, 854560, 864192, 878976, 925920, 945210, 961380, 981218, 1008224, 1025472, 1051305, 1080240, 1098720, 1121392, 1134252, 1234560, 1260280, 1261566, 1281840, 1296288, 1401740, 1417815, 1440320, 1464960, 1471827, 1512336, 1538208, 1620360, 1682088, 1709120, 1728384, 1851840, 1890420, 1922760, 1962436, 2016448, 2050944, 2102610, 2160480, 2197440, 2242784, 2268504, 2453045, 2520560, 2523132, 2563680, 2592576, 2803480, 2835630, 2880640, 2943654, 3024672, 3076416, 3153915, 3240720, 3364176, 3418240, 3434263, 3703680, 3780840, 3845520, 3924872, 4032896, 4205220, 4320960, 4394880, 4415481, 4485568, 4537008, 4906090, 5041120, 5046264, 5127360, 5185152, 5606960, 5671260, 5887308, 6049344, 6152832, 6307830, 6481440, 6728352, 6868526, 7359135, 7561680, 7691040, 7849744, 8410440, 8641920, 8830962, 8971136, 9074016, 9812180, 10082240, 10092528, 10254720, 10302789, 11213920, 11342520, 11774616, 12098688, 12615660, 12962880, 13456704, 13737052, 14718270, 15123360, 15382080, 15699488, 16820880, 17171315, 17661924, 18148032, 19624360, 20164480, 20185056, 20605578, 22077405, 22427840, 22685040, 23549232, 25231320, 25925760, 26913408, 27474104, 29436540, 30246720, 30764160, 30908367, 31398976, 33641760, 34342630, 35323848, 36296064, 39248720, 40370112, 41211156, 44154810, 44855680, 45370080, 47098464, 50462640, 51513945, 54948208, 58873080, 60493440, 61816734, 62797952, 67283520, 68685260, 70647696, 78497440, 80740224, 82422312, 88309620, 90740160, 94196928, 100925280, 103027890, 109896416, 117746160, 123633468, 134567040, 137370520, 141295392, 154541835, 156994880, 164844624, 176619240, 181480320, 188393856, 201850560, 206055780, 219792832, 235492320, 247266936, 274741040, 282590784, 309083670, 313989760, 329689248, 353238480, 403701120, 412111560, 439585664, 470984640, 494533872, 549482080, 565181568, 618167340, 659378496, 706476960, 824223120, 941969280, 989067744, 1098964160, 1236334680, 1318756992, 1412953920, 1648446240, 1978135488, 2197928320, 2472669360, 2825907840, 3296892480, 3956270976, 4945338720, 6593784960, 9890677440, 19781354880]

約数ペア:

[(1, 19781354880), (2, 9890677440), (3, 6593784960), (4, 4945338720), (5, 3956270976), (6, 3296892480), (7, 2825907840), (8, 2472669360), (9, 2197928320), (10, 1978135488), (12, 1648446240), (14, 1412953920), (15, 1318756992), (16, 1236334680), (18, 1098964160), (20, 989067744), (21, 941969280), (24, 824223120), (28, 706476960), (30, 659378496), (32, 618167340), (35, 565181568), (36, 549482080), (40, 494533872), (42, 470984640), (45, 439585664), (48, 412111560), (49, 403701120), (56, 353238480), (60, 329689248), (63, 313989760), (64, 309083670), (70, 282590784), (72, 274741040), (80, 247266936), (84, 235492320), (90, 219792832), (96, 206055780), (98, 201850560), (105, 188393856), (109, 181480320), (112, 176619240), (120, 164844624), (126, 156994880), (128, 154541835), (140, 141295392), (144, 137370520), (147, 134567040), (160, 123633468), (168, 117746160), (180, 109896416), (192, 103027890), (196, 100925280), (210, 94196928), (218, 90740160), (224, 88309620), (240, 82422312), (245, 80740224), (252, 78497440), (280, 70647696), (288, 68685260), (294, 67283520), (315, 62797952), (320, 61816734), (327, 60493440), (336, 58873080), (360, 54948208), (384, 51513945), (392, 50462640), (420, 47098464), (436, 45370080), (441, 44855680), (448, 44154810), (480, 41211156), (490, 40370112), (504, 39248720), (545, 36296064), (560, 35323848), (576, 34342630), (588, 33641760), (630, 31398976), (640, 30908367), (643, 30764160), (654, 30246720), (672, 29436540), (720, 27474104), (735, 26913408), (763, 25925760), (784, 25231320), (840, 23549232), (872, 22685040), (882, 22427840), (896, 22077405), (960, 20605578), (980, 20185056), (981, 20164480), (1008, 19624360), (1090, 18148032), (1120, 17661924), (1152, 17171315), (1176, 16820880), (1260, 15699488), (1286, 15382080), (1308, 15123360), (1344, 14718270), (1440, 13737052), (1470, 13456704), (1526, 12962880), (1568, 12615660), (1635, 12098688), (1680, 11774616), (1744, 11342520), (1764, 11213920), (1920, 10302789), (1929, 10254720), (1960, 10092528), (1962, 10082240), (2016, 9812180), (2180, 9074016), (2205, 8971136), (2240, 8830962), (2289, 8641920), (2352, 8410440), (2520, 7849744), (2572, 7691040), (2616, 7561680), (2688, 7359135), (2880, 6868526), (2940, 6728352), (3052, 6481440), (3136, 6307830), (3215, 6152832), (3270, 6049344), (3360, 5887308), (3488, 5671260), (3528, 5606960), (3815, 5185152), (3858, 5127360), (3920, 5046264), (3924, 5041120), (4032, 4906090), (4360, 4537008), (4410, 4485568), (4480, 4415481), (4501, 4394880), (4578, 4320960), (4704, 4205220), (4905, 4032896), (5040, 3924872), (5144, 3845520), (5232, 3780840), (5341, 3703680), (5760, 3434263), (5787, 3418240), (5880, 3364176), (6104, 3240720), (6272, 3153915), (6430, 3076416), (6540, 3024672), (6720, 2943654), (6867, 2880640), (6976, 2835630), (7056, 2803480), (7630, 2592576), (7716, 2563680), (7840, 2523132), (7848, 2520560), (8064, 2453045), (8720, 2268504), (8820, 2242784), (9002, 2197440), (9156, 2160480), (9408, 2102610), (9645, 2050944), (9810, 2016448), (10080, 1962436), (10288, 1922760), (10464, 1890420), (10682, 1851840), (11445, 1728384), (11574, 1709120), (11760, 1682088), (12208, 1620360), (12860, 1538208), (13080, 1512336), (13440, 1471827), (13503, 1464960), (13734, 1440320), (13952, 1417815), (14112, 1401740), (15260, 1296288), (15432, 1281840), (15680, 1261566), (15696, 1260280), (16023, 1234560), (17440, 1134252), (17640, 1121392), (18004, 1098720), (18312, 1080240), (18816, 1051305), (19290, 1025472), (19620, 1008224), (20160, 981218), (20576, 961380), (20928, 945210), (21364, 925920), (22505, 878976), (22890, 864192), (23148, 854560), (23520, 841044), (24416, 810180), (25720, 769104), (26160, 756168), (26705, 740736), (27006, 732480), (27468, 720160), (28224, 700870), (28935, 683648), (30520, 648144), (30864, 640920), (31360, 630783), (31392, 630140), (31507, 627840), (32046, 617280), (34335, 576128), (34880, 567126), (35280, 560696), (36008, 549360), (36624, 540120), (38580, 512736), (39240, 504112), (40320, 490609), (40509, 488320), (41152, 480690), (41856, 472605), (42728, 462960), (45010, 439488), (45780, 432096), (46296, 427280), (47040, 420522), (48069, 411520), (48832, 405090), (51440, 384552), (52320, 378084), (53410, 370368), (54012, 366240), (54936, 360080), (56448, 350435), (57870, 341824), (61040, 324072), (61728, 320460), (62784, 315070), (63014, 313920), (64092, 308640), (67515, 292992), (68670, 288064), (69760, 283563), (70087, 282240), (70560, 280348), (72016, 274680), (73248, 270060), (77160, 256368), (78480, 252056), (80115, 246912), (81018, 244160), (82304, 240345), (85456, 231480), (90020, 219744), (91560, 216048), (92592, 213640), (94080, 210261), (94521, 209280), (96138, 205760), (97664, 202545), (102880, 192276), (104640, 189042), (106820, 185184), (108024, 183120), (109872, 180040), (115740, 170912), (122080, 162036), (123456, 160230), (125568, 157535), (126028, 156960), (128184, 154320), (135030, 146496), (137340, 144032), (140174, 141120)]