20798378640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23893}}^1$

素因数の和:23959

約数の個数: 320

約数和(自身を含む): 79641569280

約数和(自身を除く): 58843190640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 45, 48, 52, 54, 60, 62, 65, 72, 78, 80, 90, 93, 104, 108, 117, 120, 124, 130, 135, 144, 155, 156, 180, 186, 195, 208, 216, 234, 240, 248, 260, 270, 279, 310, 312, 351, 360, 372, 390, 403, 432, 465, 468, 496, 520, 540, 558, 585, 620, 624, 702, 720, 744, 780, 806, 837, 930, 936, 1040, 1080, 1116, 1170, 1209, 1240, 1395, 1404, 1488, 1560, 1612, 1674, 1755, 1860, 1872, 2015, 2160, 2232, 2340, 2418, 2480, 2790, 2808, 3120, 3224, 3348, 3510, 3627, 3720, 4030, 4185, 4464, 4680, 4836, 5580, 5616, 6045, 6448, 6696, 7020, 7254, 7440, 8060, 8370, 9360, 9672, 10881, 11160, 12090, 13392, 14040, 14508, 16120, 16740, 18135, 19344, 21762, 22320, 23893, 24180, 28080, 29016, 32240, 33480, 36270, 43524, 47786, 48360, 54405, 58032, 66960, 71679, 72540, 87048, 95572, 96720, 108810, 119465, 143358, 145080, 174096, 191144, 215037, 217620, 238930, 286716, 290160, 310609, 358395, 382288, 430074, 435240, 477860, 573432, 621218, 645111, 716790, 740683, 860148, 870480, 931827, 955720, 1075185, 1146864, 1242436, 1290222, 1433580, 1481366, 1553045, 1720296, 1863654, 1911440, 2150370, 2222049, 2484872, 2580444, 2795481, 2867160, 2962732, 3106090, 3225555, 3440592, 3703415, 3727308, 4300740, 4444098, 4659135, 4969744, 5160888, 5590962, 5734320, 5925464, 6212180, 6451110, 6666147, 7406830, 7454616, 8386443, 8601480, 8888196, 9318270, 9628879, 10321776, 11110245, 11181924, 11850928, 12424360, 12902220, 13332294, 13977405, 14813660, 14909232, 16772886, 17202960, 17776392, 18636540, 19257758, 19998441, 22220490, 22363848, 24848720, 25804440, 26664588, 27954810, 28886637, 29627320, 33330735, 33545772, 35552784, 37273080, 38515516, 39996882, 41932215, 44440980, 44727696, 48144395, 51608880, 53329176, 55909620, 57773274, 59254640, 66661470, 67091544, 74546160, 77031032, 79993764, 83864430, 86659911, 88881960, 96288790, 99992205, 106658352, 111819240, 115546548, 133322940, 134183088, 144433185, 154062064, 159987528, 167728860, 173319822, 177763920, 192577580, 199984410, 223638480, 231093096, 259979733, 266645880, 288866370, 319975056, 335457720, 346639644, 385155160, 399968820, 433299555, 462186192, 519959466, 533291760, 577732740, 670915440, 693279288, 770310320, 799937640, 866599110, 1039918932, 1155465480, 1299898665, 1386558576, 1599875280, 1733198220, 2079837864, 2310930960, 2599797330, 3466396440, 4159675728, 5199594660, 6932792880, 10399189320, 20798378640]

約数ペア:

[(1, 20798378640), (2, 10399189320), (3, 6932792880), (4, 5199594660), (5, 4159675728), (6, 3466396440), (8, 2599797330), (9, 2310930960), (10, 2079837864), (12, 1733198220), (13, 1599875280), (15, 1386558576), (16, 1299898665), (18, 1155465480), (20, 1039918932), (24, 866599110), (26, 799937640), (27, 770310320), (30, 693279288), (31, 670915440), (36, 577732740), (39, 533291760), (40, 519959466), (45, 462186192), (48, 433299555), (52, 399968820), (54, 385155160), (60, 346639644), (62, 335457720), (65, 319975056), (72, 288866370), (78, 266645880), (80, 259979733), (90, 231093096), (93, 223638480), (104, 199984410), (108, 192577580), (117, 177763920), (120, 173319822), (124, 167728860), (130, 159987528), (135, 154062064), (144, 144433185), (155, 134183088), (156, 133322940), (180, 115546548), (186, 111819240), (195, 106658352), (208, 99992205), (216, 96288790), (234, 88881960), (240, 86659911), (248, 83864430), (260, 79993764), (270, 77031032), (279, 74546160), (310, 67091544), (312, 66661470), (351, 59254640), (360, 57773274), (372, 55909620), (390, 53329176), (403, 51608880), (432, 48144395), (465, 44727696), (468, 44440980), (496, 41932215), (520, 39996882), (540, 38515516), (558, 37273080), (585, 35552784), (620, 33545772), (624, 33330735), (702, 29627320), (720, 28886637), (744, 27954810), (780, 26664588), (806, 25804440), (837, 24848720), (930, 22363848), (936, 22220490), (1040, 19998441), (1080, 19257758), (1116, 18636540), (1170, 17776392), (1209, 17202960), (1240, 16772886), (1395, 14909232), (1404, 14813660), (1488, 13977405), (1560, 13332294), (1612, 12902220), (1674, 12424360), (1755, 11850928), (1860, 11181924), (1872, 11110245), (2015, 10321776), (2160, 9628879), (2232, 9318270), (2340, 8888196), (2418, 8601480), (2480, 8386443), (2790, 7454616), (2808, 7406830), (3120, 6666147), (3224, 6451110), (3348, 6212180), (3510, 5925464), (3627, 5734320), (3720, 5590962), (4030, 5160888), (4185, 4969744), (4464, 4659135), (4680, 4444098), (4836, 4300740), (5580, 3727308), (5616, 3703415), (6045, 3440592), (6448, 3225555), (6696, 3106090), (7020, 2962732), (7254, 2867160), (7440, 2795481), (8060, 2580444), (8370, 2484872), (9360, 2222049), (9672, 2150370), (10881, 1911440), (11160, 1863654), (12090, 1720296), (13392, 1553045), (14040, 1481366), (14508, 1433580), (16120, 1290222), (16740, 1242436), (18135, 1146864), (19344, 1075185), (21762, 955720), (22320, 931827), (23893, 870480), (24180, 860148), (28080, 740683), (29016, 716790), (32240, 645111), (33480, 621218), (36270, 573432), (43524, 477860), (47786, 435240), (48360, 430074), (54405, 382288), (58032, 358395), (66960, 310609), (71679, 290160), (72540, 286716), (87048, 238930), (95572, 217620), (96720, 215037), (108810, 191144), (119465, 174096), (143358, 145080)]