261746640

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1359

約数の個数: 200

約数和(自身を含む): 939130368

約数和(自身を除く): 677383728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 108, 120, 124, 135, 144, 155, 162, 180, 186, 216, 240, 248, 270, 279, 310, 324, 360, 372, 405, 432, 465, 496, 540, 558, 620, 648, 720, 744, 810, 837, 930, 1080, 1116, 1240, 1296, 1303, 1395, 1488, 1620, 1674, 1860, 2160, 2232, 2480, 2511, 2606, 2790, 3240, 3348, 3720, 3909, 4185, 4464, 5022, 5212, 5580, 6480, 6515, 6696, 7440, 7818, 8370, 10044, 10424, 11160, 11727, 12555, 13030, 13392, 15636, 16740, 19545, 20088, 20848, 22320, 23454, 25110, 26060, 31272, 33480, 35181, 39090, 40176, 40393, 46908, 50220, 52120, 58635, 62544, 66960, 70362, 78180, 80786, 93816, 100440, 104240, 105543, 117270, 121179, 140724, 156360, 161572, 175905, 187632, 200880, 201965, 211086, 234540, 242358, 281448, 312720, 323144, 351810, 363537, 403930, 422172, 469080, 484716, 527715, 562896, 605895, 646288, 703620, 727074, 807860, 844344, 938160, 969432, 1055430, 1090611, 1211790, 1407240, 1454148, 1615720, 1688688, 1817685, 1938864, 2110860, 2181222, 2423580, 2814480, 2908296, 3231440, 3271833, 3635370, 4221720, 4362444, 4847160, 5453055, 5816592, 6543666, 7270740, 8443440, 8724888, 9694320, 10906110, 13087332, 14541480, 16359165, 17449776, 21812220, 26174664, 29082960, 32718330, 43624440, 52349328, 65436660, 87248880, 130873320, 261746640]

約数ペア:

[(1, 261746640), (2, 130873320), (3, 87248880), (4, 65436660), (5, 52349328), (6, 43624440), (8, 32718330), (9, 29082960), (10, 26174664), (12, 21812220), (15, 17449776), (16, 16359165), (18, 14541480), (20, 13087332), (24, 10906110), (27, 9694320), (30, 8724888), (31, 8443440), (36, 7270740), (40, 6543666), (45, 5816592), (48, 5453055), (54, 4847160), (60, 4362444), (62, 4221720), (72, 3635370), (80, 3271833), (81, 3231440), (90, 2908296), (93, 2814480), (108, 2423580), (120, 2181222), (124, 2110860), (135, 1938864), (144, 1817685), (155, 1688688), (162, 1615720), (180, 1454148), (186, 1407240), (216, 1211790), (240, 1090611), (248, 1055430), (270, 969432), (279, 938160), (310, 844344), (324, 807860), (360, 727074), (372, 703620), (405, 646288), (432, 605895), (465, 562896), (496, 527715), (540, 484716), (558, 469080), (620, 422172), (648, 403930), (720, 363537), (744, 351810), (810, 323144), (837, 312720), (930, 281448), (1080, 242358), (1116, 234540), (1240, 211086), (1296, 201965), (1303, 200880), (1395, 187632), (1488, 175905), (1620, 161572), (1674, 156360), (1860, 140724), (2160, 121179), (2232, 117270), (2480, 105543), (2511, 104240), (2606, 100440), (2790, 93816), (3240, 80786), (3348, 78180), (3720, 70362), (3909, 66960), (4185, 62544), (4464, 58635), (5022, 52120), (5212, 50220), (5580, 46908), (6480, 40393), (6515, 40176), (6696, 39090), (7440, 35181), (7818, 33480), (8370, 31272), (10044, 26060), (10424, 25110), (11160, 23454), (11727, 22320), (12555, 20848), (13030, 20088), (13392, 19545), (15636, 16740)]