20176638720

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20287}}^1$

素因数の和:20355

約数の個数: 288

約数和(自身を含む): 75638857728

約数和(自身を除く): 55462219008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 37, 40, 42, 48, 56, 60, 64, 70, 74, 80, 84, 96, 105, 111, 112, 120, 128, 140, 148, 160, 168, 185, 192, 210, 222, 224, 240, 256, 259, 280, 296, 320, 336, 370, 384, 420, 444, 448, 480, 518, 555, 560, 592, 640, 672, 740, 768, 777, 840, 888, 896, 960, 1036, 1110, 1120, 1184, 1280, 1295, 1344, 1480, 1554, 1680, 1776, 1792, 1920, 2072, 2220, 2240, 2368, 2590, 2688, 2960, 3108, 3360, 3552, 3840, 3885, 4144, 4440, 4480, 4736, 5180, 5376, 5920, 6216, 6720, 7104, 7770, 8288, 8880, 8960, 9472, 10360, 11840, 12432, 13440, 14208, 15540, 16576, 17760, 20287, 20720, 23680, 24864, 26880, 28416, 31080, 33152, 35520, 40574, 41440, 47360, 49728, 60861, 62160, 66304, 71040, 81148, 82880, 99456, 101435, 121722, 124320, 142009, 142080, 162296, 165760, 198912, 202870, 243444, 248640, 284018, 304305, 324592, 331520, 405740, 426027, 486888, 497280, 568036, 608610, 649184, 710045, 750619, 811480, 852054, 973776, 994560, 1136072, 1217220, 1298368, 1420090, 1501238, 1622960, 1704108, 1947552, 2130135, 2251857, 2272144, 2434440, 2596736, 2840180, 3002476, 3245920, 3408216, 3753095, 3895104, 4260270, 4503714, 4544288, 4868880, 5193472, 5254333, 5680360, 6004952, 6491840, 6816432, 7506190, 7790208, 8520540, 9007428, 9088576, 9737760, 10508666, 11259285, 11360720, 12009904, 12983680, 13632864, 15012380, 15580416, 15762999, 17041080, 18014856, 18177152, 19475520, 21017332, 22518570, 22721440, 24019808, 25967360, 26271665, 27265728, 30024760, 31525998, 34082160, 36029712, 36354304, 38951040, 42034664, 45037140, 45442880, 48039616, 52543330, 54531456, 60049520, 63051996, 68164320, 72059424, 77902080, 78814995, 84069328, 90074280, 90885760, 96079232, 105086660, 109062912, 120099040, 126103992, 136328640, 144118848, 157629990, 168138656, 180148560, 181771520, 192158464, 210173320, 240198080, 252207984, 272657280, 288237696, 315259980, 336277312, 360297120, 420346640, 480396160, 504415968, 545314560, 576475392, 630519960, 672554624, 720594240, 840693280, 960792320, 1008831936, 1261039920, 1345109248, 1441188480, 1681386560, 2017663872, 2522079840, 2882376960, 3362773120, 4035327744, 5044159680, 6725546240, 10088319360, 20176638720]

約数ペア:

[(1, 20176638720), (2, 10088319360), (3, 6725546240), (4, 5044159680), (5, 4035327744), (6, 3362773120), (7, 2882376960), (8, 2522079840), (10, 2017663872), (12, 1681386560), (14, 1441188480), (15, 1345109248), (16, 1261039920), (20, 1008831936), (21, 960792320), (24, 840693280), (28, 720594240), (30, 672554624), (32, 630519960), (35, 576475392), (37, 545314560), (40, 504415968), (42, 480396160), (48, 420346640), (56, 360297120), (60, 336277312), (64, 315259980), (70, 288237696), (74, 272657280), (80, 252207984), (84, 240198080), (96, 210173320), (105, 192158464), (111, 181771520), (112, 180148560), (120, 168138656), (128, 157629990), (140, 144118848), (148, 136328640), (160, 126103992), (168, 120099040), (185, 109062912), (192, 105086660), (210, 96079232), (222, 90885760), (224, 90074280), (240, 84069328), (256, 78814995), (259, 77902080), (280, 72059424), (296, 68164320), (320, 63051996), (336, 60049520), (370, 54531456), (384, 52543330), (420, 48039616), (444, 45442880), (448, 45037140), (480, 42034664), (518, 38951040), (555, 36354304), (560, 36029712), (592, 34082160), (640, 31525998), (672, 30024760), (740, 27265728), (768, 26271665), (777, 25967360), (840, 24019808), (888, 22721440), (896, 22518570), (960, 21017332), (1036, 19475520), (1110, 18177152), (1120, 18014856), (1184, 17041080), (1280, 15762999), (1295, 15580416), (1344, 15012380), (1480, 13632864), (1554, 12983680), (1680, 12009904), (1776, 11360720), (1792, 11259285), (1920, 10508666), (2072, 9737760), (2220, 9088576), (2240, 9007428), (2368, 8520540), (2590, 7790208), (2688, 7506190), (2960, 6816432), (3108, 6491840), (3360, 6004952), (3552, 5680360), (3840, 5254333), (3885, 5193472), (4144, 4868880), (4440, 4544288), (4480, 4503714), (4736, 4260270), (5180, 3895104), (5376, 3753095), (5920, 3408216), (6216, 3245920), (6720, 3002476), (7104, 2840180), (7770, 2596736), (8288, 2434440), (8880, 2272144), (8960, 2251857), (9472, 2130135), (10360, 1947552), (11840, 1704108), (12432, 1622960), (13440, 1501238), (14208, 1420090), (15540, 1298368), (16576, 1217220), (17760, 1136072), (20287, 994560), (20720, 973776), (23680, 852054), (24864, 811480), (26880, 750619), (28416, 710045), (31080, 649184), (33152, 608610), (35520, 568036), (40574, 497280), (41440, 486888), (47360, 426027), (49728, 405740), (60861, 331520), (62160, 324592), (66304, 304305), (71040, 284018), (81148, 248640), (82880, 243444), (99456, 202870), (101435, 198912), (121722, 165760), (124320, 162296), (142009, 142080)]