71828640

素因数分解:

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

素因数の和:1316

約数の個数: 192

約数和(自身を含む): 270950400

約数和(自身を除く): 199121760

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, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 351, 360, 390, 416, 432, 468, 480, 520, 540, 585, 624, 702, 720, 780, 864, 936, 1040, 1080, 1170, 1248, 1279, 1404, 1440, 1560, 1755, 1872, 2080, 2160, 2340, 2558, 2808, 3120, 3510, 3744, 3837, 4320, 4680, 5116, 5616, 6240, 6395, 7020, 7674, 9360, 10232, 11232, 11511, 12790, 14040, 15348, 16627, 18720, 19185, 20464, 23022, 25580, 28080, 30696, 33254, 34533, 38370, 40928, 46044, 49881, 51160, 56160, 57555, 61392, 66508, 69066, 76740, 83135, 92088, 99762, 102320, 115110, 122784, 133016, 138132, 149643, 153480, 166270, 172665, 184176, 199524, 204640, 230220, 249405, 266032, 276264, 299286, 306960, 332540, 345330, 368352, 399048, 448929, 460440, 498810, 532064, 552528, 598572, 613920, 665080, 690660, 748215, 798096, 897858, 920880, 997620, 1105056, 1197144, 1330160, 1381320, 1496430, 1596192, 1795716, 1841760, 1995240, 2244645, 2394288, 2660320, 2762640, 2992860, 3591432, 3990480, 4489290, 4788576, 5525280, 5985720, 7182864, 7980960, 8978580, 11971440, 14365728, 17957160, 23942880, 35914320, 71828640]

約数ペア:

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