21480901920

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:606

約数の個数: 480

約数和(自身を含む): 79058681856

約数和(自身を除く): 57577779936

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 96, 108, 120, 124, 127, 135, 144, 155, 160, 162, 180, 186, 216, 240, 248, 254, 270, 279, 288, 310, 324, 360, 372, 381, 405, 421, 432, 465, 480, 496, 508, 540, 558, 620, 635, 648, 720, 744, 762, 810, 837, 842, 864, 930, 992, 1016, 1080, 1116, 1143, 1240, 1263, 1270, 1296, 1395, 1440, 1488, 1524, 1620, 1674, 1684, 1860, 1905, 2032, 2105, 2160, 2232, 2286, 2480, 2511, 2526, 2540, 2592, 2790, 2976, 3048, 3240, 3348, 3368, 3429, 3720, 3789, 3810, 3937, 4064, 4185, 4210, 4320, 4464, 4572, 4960, 5022, 5052, 5080, 5580, 5715, 6096, 6315, 6480, 6696, 6736, 6858, 7440, 7578, 7620, 7874, 8370, 8420, 8928, 9144, 10044, 10104, 10160, 10287, 11160, 11367, 11430, 11811, 12192, 12555, 12630, 12960, 13051, 13392, 13472, 13716, 14880, 15156, 15240, 15748, 16740, 16840, 17145, 18288, 18945, 19685, 20088, 20208, 20320, 20574, 22320, 22734, 22860, 23622, 25110, 25260, 26102, 26784, 27432, 30312, 30480, 31496, 33480, 33680, 34101, 34290, 35433, 36576, 37890, 39153, 39370, 40176, 40416, 41148, 44640, 45468, 45720, 47244, 50220, 50520, 51435, 52204, 53467, 54864, 56835, 59055, 60624, 60960, 62992, 65255, 66960, 67360, 68202, 68580, 70866, 75780, 78306, 78740, 80352, 82296, 90936, 91440, 94488, 100440, 101040, 102870, 104408, 106299, 106934, 109728, 113670, 117459, 118110, 121248, 125984, 130510, 133920, 136404, 137160, 141732, 151560, 156612, 157480, 160401, 164592, 170505, 177165, 181872, 182880, 188976, 195765, 200880, 202080, 205740, 208816, 212598, 213868, 227340, 234918, 236220, 261020, 267335, 272808, 274320, 283464, 303120, 313224, 314960, 318897, 320802, 329184, 341010, 352377, 354330, 363744, 377952, 391530, 401760, 411480, 417632, 425196, 427736, 454680, 469836, 472440, 481203, 522040, 531495, 534670, 545616, 548640, 566928, 587295, 606240, 626448, 629920, 637794, 641604, 682020, 704754, 708660, 783060, 802005, 822960, 850392, 855472, 909360, 939672, 944880, 962406, 1044080, 1057131, 1062990, 1069340, 1091232, 1133856, 1174590, 1252896, 1275588, 1283208, 1364040, 1409508, 1417320, 1443609, 1566120, 1594485, 1604010, 1645920, 1657477, 1700784, 1710944, 1761885, 1818720, 1879344, 1889760, 1924812, 2088160, 2114262, 2125980, 2138680, 2349180, 2406015, 2551176, 2566416, 2728080, 2819016, 2834640, 2887218, 3132240, 3188970, 3208020, 3314954, 3401568, 3523770, 3758688, 3849624, 4228524, 4251960, 4277360, 4330827, 4698360, 4812030, 4972431, 5102352, 5132832, 5285655, 5456160, 5638032, 5669280, 5774436, 6264480, 6377940, 6416040, 6629908, 7047540, 7218045, 7699248, 8287385, 8457048, 8503920, 8554720, 8661654, 9396720, 9624060, 9944862, 10204704, 10571310, 11276064, 11548872, 12755880, 12832080, 13259816, 14095080, 14436090, 14917293, 15398496, 16574770, 16914096, 17007840, 17323308, 18793440, 19248120, 19889724, 21142620, 21654135, 23097744, 24862155, 25511760, 25664160, 26519632, 28190160, 28872180, 29834586, 33149540, 33828192, 34646616, 38496240, 39779448, 42285240, 43308270, 44751879, 46195488, 49724310, 51023520, 53039264, 56380320, 57744360, 59669172, 66299080, 69293232, 74586465, 76992480, 79558896, 84570480, 86616540, 89503758, 99448620, 115488720, 119338344, 132598160, 134255637, 138586464, 149172930, 159117792, 169140960, 173233080, 179007516, 198897240, 223759395, 230977440, 238676688, 265196320, 268511274, 298345860, 346466160, 358015032, 397794480, 447518790, 477353376, 537022548, 596691720, 671278185, 692932320, 716030064, 795588960, 895037580, 1074045096, 1193383440, 1342556370, 1432060128, 1790075160, 2148090192, 2386766880, 2685112740, 3580150320, 4296180384, 5370225480, 7160300640, 10740450960, 21480901920]

約数ペア:

[(1, 21480901920), (2, 10740450960), (3, 7160300640), (4, 5370225480), (5, 4296180384), (6, 3580150320), (8, 2685112740), (9, 2386766880), (10, 2148090192), (12, 1790075160), (15, 1432060128), (16, 1342556370), (18, 1193383440), (20, 1074045096), (24, 895037580), (27, 795588960), (30, 716030064), (31, 692932320), (32, 671278185), (36, 596691720), (40, 537022548), (45, 477353376), (48, 447518790), (54, 397794480), (60, 358015032), (62, 346466160), (72, 298345860), (80, 268511274), (81, 265196320), (90, 238676688), (93, 230977440), (96, 223759395), (108, 198897240), (120, 179007516), (124, 173233080), (127, 169140960), (135, 159117792), (144, 149172930), (155, 138586464), (160, 134255637), (162, 132598160), (180, 119338344), (186, 115488720), (216, 99448620), (240, 89503758), (248, 86616540), (254, 84570480), (270, 79558896), (279, 76992480), (288, 74586465), (310, 69293232), (324, 66299080), (360, 59669172), (372, 57744360), (381, 56380320), (405, 53039264), (421, 51023520), (432, 49724310), (465, 46195488), (480, 44751879), (496, 43308270), (508, 42285240), (540, 39779448), (558, 38496240), (620, 34646616), (635, 33828192), (648, 33149540), (720, 29834586), (744, 28872180), (762, 28190160), (810, 26519632), (837, 25664160), (842, 25511760), (864, 24862155), (930, 23097744), (992, 21654135), (1016, 21142620), (1080, 19889724), (1116, 19248120), (1143, 18793440), (1240, 17323308), (1263, 17007840), (1270, 16914096), (1296, 16574770), (1395, 15398496), (1440, 14917293), (1488, 14436090), (1524, 14095080), (1620, 13259816), (1674, 12832080), (1684, 12755880), (1860, 11548872), (1905, 11276064), (2032, 10571310), (2105, 10204704), (2160, 9944862), (2232, 9624060), (2286, 9396720), (2480, 8661654), (2511, 8554720), (2526, 8503920), (2540, 8457048), (2592, 8287385), (2790, 7699248), (2976, 7218045), (3048, 7047540), (3240, 6629908), (3348, 6416040), (3368, 6377940), (3429, 6264480), (3720, 5774436), (3789, 5669280), (3810, 5638032), (3937, 5456160), (4064, 5285655), (4185, 5132832), (4210, 5102352), (4320, 4972431), (4464, 4812030), (4572, 4698360), (4960, 4330827), (5022, 4277360), (5052, 4251960), (5080, 4228524), (5580, 3849624), (5715, 3758688), (6096, 3523770), (6315, 3401568), (6480, 3314954), (6696, 3208020), (6736, 3188970), (6858, 3132240), (7440, 2887218), (7578, 2834640), (7620, 2819016), (7874, 2728080), (8370, 2566416), (8420, 2551176), (8928, 2406015), (9144, 2349180), (10044, 2138680), (10104, 2125980), (10160, 2114262), (10287, 2088160), (11160, 1924812), (11367, 1889760), (11430, 1879344), (11811, 1818720), (12192, 1761885), (12555, 1710944), (12630, 1700784), (12960, 1657477), (13051, 1645920), (13392, 1604010), (13472, 1594485), (13716, 1566120), (14880, 1443609), (15156, 1417320), (15240, 1409508), (15748, 1364040), (16740, 1283208), (16840, 1275588), (17145, 1252896), (18288, 1174590), (18945, 1133856), (19685, 1091232), (20088, 1069340), (20208, 1062990), (20320, 1057131), (20574, 1044080), (22320, 962406), (22734, 944880), (22860, 939672), (23622, 909360), (25110, 855472), (25260, 850392), (26102, 822960), (26784, 802005), (27432, 783060), (30312, 708660), (30480, 704754), (31496, 682020), (33480, 641604), (33680, 637794), (34101, 629920), (34290, 626448), (35433, 606240), (36576, 587295), (37890, 566928), (39153, 548640), (39370, 545616), (40176, 534670), (40416, 531495), (41148, 522040), (44640, 481203), (45468, 472440), (45720, 469836), (47244, 454680), (50220, 427736), (50520, 425196), (51435, 417632), (52204, 411480), (53467, 401760), (54864, 391530), (56835, 377952), (59055, 363744), (60624, 354330), (60960, 352377), (62992, 341010), (65255, 329184), (66960, 320802), (67360, 318897), (68202, 314960), (68580, 313224), (70866, 303120), (75780, 283464), (78306, 274320), (78740, 272808), (80352, 267335), (82296, 261020), (90936, 236220), (91440, 234918), (94488, 227340), (100440, 213868), (101040, 212598), (102870, 208816), (104408, 205740), (106299, 202080), (106934, 200880), (109728, 195765), (113670, 188976), (117459, 182880), (118110, 181872), (121248, 177165), (125984, 170505), (130510, 164592), (133920, 160401), (136404, 157480), (137160, 156612), (141732, 151560)]