215485920

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1319

約数の個数: 240

約数和(自身を含む): 819624960

約数和(自身を除く): 604139040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 585, 624, 648, 702, 720, 780, 810, 864, 936, 1040, 1053, 1080, 1170, 1248, 1279, 1296, 1404, 1440, 1560, 1620, 1755, 1872, 2080, 2106, 2160, 2340, 2558, 2592, 2808, 3120, 3240, 3510, 3744, 3837, 4212, 4320, 4680, 5116, 5265, 5616, 6240, 6395, 6480, 7020, 7674, 8424, 9360, 10232, 10530, 11232, 11511, 12790, 12960, 14040, 15348, 16627, 16848, 18720, 19185, 20464, 21060, 23022, 25580, 28080, 30696, 33254, 33696, 34533, 38370, 40928, 42120, 46044, 49881, 51160, 56160, 57555, 61392, 66508, 69066, 76740, 83135, 84240, 92088, 99762, 102320, 103599, 115110, 122784, 133016, 138132, 149643, 153480, 166270, 168480, 172665, 184176, 199524, 204640, 207198, 230220, 249405, 266032, 276264, 299286, 306960, 332540, 345330, 368352, 399048, 414396, 448929, 460440, 498810, 517995, 532064, 552528, 598572, 613920, 665080, 690660, 748215, 798096, 828792, 897858, 920880, 997620, 1035990, 1105056, 1197144, 1330160, 1346787, 1381320, 1496430, 1596192, 1657584, 1795716, 1841760, 1995240, 2071980, 2244645, 2394288, 2660320, 2693574, 2762640, 2992860, 3315168, 3591432, 3990480, 4143960, 4489290, 4788576, 5387148, 5525280, 5985720, 6733935, 7182864, 7980960, 8287920, 8978580, 10774296, 11971440, 13467870, 14365728, 16575840, 17957160, 21548592, 23942880, 26935740, 35914320, 43097184, 53871480, 71828640, 107742960, 215485920]

約数ペア:

[(1, 215485920), (2, 107742960), (3, 71828640), (4, 53871480), (5, 43097184), (6, 35914320), (8, 26935740), (9, 23942880), (10, 21548592), (12, 17957160), (13, 16575840), (15, 14365728), (16, 13467870), (18, 11971440), (20, 10774296), (24, 8978580), (26, 8287920), (27, 7980960), (30, 7182864), (32, 6733935), (36, 5985720), (39, 5525280), (40, 5387148), (45, 4788576), (48, 4489290), (52, 4143960), (54, 3990480), (60, 3591432), (65, 3315168), (72, 2992860), (78, 2762640), (80, 2693574), (81, 2660320), (90, 2394288), (96, 2244645), (104, 2071980), (108, 1995240), (117, 1841760), (120, 1795716), (130, 1657584), (135, 1596192), (144, 1496430), (156, 1381320), (160, 1346787), (162, 1330160), (180, 1197144), (195, 1105056), (208, 1035990), (216, 997620), (234, 920880), (240, 897858), (260, 828792), (270, 798096), (288, 748215), (312, 690660), (324, 665080), (351, 613920), (360, 598572), (390, 552528), (405, 532064), (416, 517995), (432, 498810), (468, 460440), (480, 448929), (520, 414396), (540, 399048), (585, 368352), (624, 345330), (648, 332540), (702, 306960), (720, 299286), (780, 276264), (810, 266032), (864, 249405), (936, 230220), (1040, 207198), (1053, 204640), (1080, 199524), (1170, 184176), (1248, 172665), (1279, 168480), (1296, 166270), (1404, 153480), (1440, 149643), (1560, 138132), (1620, 133016), (1755, 122784), (1872, 115110), (2080, 103599), (2106, 102320), (2160, 99762), (2340, 92088), (2558, 84240), (2592, 83135), (2808, 76740), (3120, 69066), (3240, 66508), (3510, 61392), (3744, 57555), (3837, 56160), (4212, 51160), (4320, 49881), (4680, 46044), (5116, 42120), (5265, 40928), (5616, 38370), (6240, 34533), (6395, 33696), (6480, 33254), (7020, 30696), (7674, 28080), (8424, 25580), (9360, 23022), (10232, 21060), (10530, 20464), (11232, 19185), (11511, 18720), (12790, 16848), (12960, 16627), (14040, 15348)]