311257440

素因数分解:

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

素因数の和:1326

約数の個数: 216

約数和(自身を含む): 1151055360

約数和(自身を除く): 839797920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 169, 180, 195, 208, 234, 240, 260, 288, 312, 338, 360, 390, 416, 468, 480, 507, 520, 585, 624, 676, 720, 780, 845, 936, 1014, 1040, 1170, 1248, 1279, 1352, 1440, 1521, 1560, 1690, 1872, 2028, 2080, 2340, 2535, 2558, 2704, 3042, 3120, 3380, 3744, 3837, 4056, 4680, 5070, 5116, 5408, 6084, 6240, 6395, 6760, 7605, 7674, 8112, 9360, 10140, 10232, 11511, 12168, 12790, 13520, 15210, 15348, 16224, 16627, 18720, 19185, 20280, 20464, 23022, 24336, 25580, 27040, 30420, 30696, 33254, 38370, 40560, 40928, 46044, 48672, 49881, 51160, 57555, 60840, 61392, 66508, 76740, 81120, 83135, 92088, 99762, 102320, 115110, 121680, 122784, 133016, 149643, 153480, 166270, 184176, 199524, 204640, 216151, 230220, 243360, 249405, 266032, 299286, 306960, 332540, 368352, 399048, 432302, 460440, 498810, 532064, 598572, 613920, 648453, 665080, 748215, 798096, 864604, 920880, 997620, 1080755, 1197144, 1296906, 1330160, 1496430, 1596192, 1729208, 1841760, 1945359, 1995240, 2161510, 2394288, 2593812, 2660320, 2992860, 3242265, 3458416, 3890718, 3990480, 4323020, 4788576, 5187624, 5985720, 6484530, 6916832, 7781436, 7980960, 8646040, 9726795, 10375248, 11971440, 12969060, 15562872, 17292080, 19453590, 20750496, 23942880, 25938120, 31125744, 34584160, 38907180, 51876240, 62251488, 77814360, 103752480, 155628720, 311257440]

約数ペア:

[(1, 311257440), (2, 155628720), (3, 103752480), (4, 77814360), (5, 62251488), (6, 51876240), (8, 38907180), (9, 34584160), (10, 31125744), (12, 25938120), (13, 23942880), (15, 20750496), (16, 19453590), (18, 17292080), (20, 15562872), (24, 12969060), (26, 11971440), (30, 10375248), (32, 9726795), (36, 8646040), (39, 7980960), (40, 7781436), (45, 6916832), (48, 6484530), (52, 5985720), (60, 5187624), (65, 4788576), (72, 4323020), (78, 3990480), (80, 3890718), (90, 3458416), (96, 3242265), (104, 2992860), (117, 2660320), (120, 2593812), (130, 2394288), (144, 2161510), (156, 1995240), (160, 1945359), (169, 1841760), (180, 1729208), (195, 1596192), (208, 1496430), (234, 1330160), (240, 1296906), (260, 1197144), (288, 1080755), (312, 997620), (338, 920880), (360, 864604), (390, 798096), (416, 748215), (468, 665080), (480, 648453), (507, 613920), (520, 598572), (585, 532064), (624, 498810), (676, 460440), (720, 432302), (780, 399048), (845, 368352), (936, 332540), (1014, 306960), (1040, 299286), (1170, 266032), (1248, 249405), (1279, 243360), (1352, 230220), (1440, 216151), (1521, 204640), (1560, 199524), (1690, 184176), (1872, 166270), (2028, 153480), (2080, 149643), (2340, 133016), (2535, 122784), (2558, 121680), (2704, 115110), (3042, 102320), (3120, 99762), (3380, 92088), (3744, 83135), (3837, 81120), (4056, 76740), (4680, 66508), (5070, 61392), (5116, 60840), (5408, 57555), (6084, 51160), (6240, 49881), (6395, 48672), (6760, 46044), (7605, 40928), (7674, 40560), (8112, 38370), (9360, 33254), (10140, 30696), (10232, 30420), (11511, 27040), (12168, 25580), (12790, 24336), (13520, 23022), (15210, 20464), (15348, 20280), (16224, 19185), (16627, 18720)]