28720681920

素因数分解:

$2^6\times 3^4\times 5^1\times 7^1\times {\mathrm{158293}}^1$

素因数の和:158329

約数の個数: 280

約数和(自身を含む): 116760187104

約数和(自身を除く): 88039505184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 648, 672, 720, 756, 810, 840, 864, 945, 960, 1008, 1080, 1120, 1134, 1260, 1296, 1344, 1440, 1512, 1620, 1680, 1728, 1890, 2016, 2160, 2240, 2268, 2520, 2592, 2835, 2880, 3024, 3240, 3360, 3780, 4032, 4320, 4536, 5040, 5184, 5670, 6048, 6480, 6720, 7560, 8640, 9072, 10080, 11340, 12096, 12960, 15120, 18144, 20160, 22680, 25920, 30240, 36288, 45360, 60480, 90720, 158293, 181440, 316586, 474879, 633172, 791465, 949758, 1108051, 1266344, 1424637, 1582930, 1899516, 2216102, 2374395, 2532688, 2849274, 3165860, 3324153, 3799032, 4273911, 4432204, 4748790, 5065376, 5540255, 5698548, 6331720, 6648306, 7123185, 7598064, 8547822, 8864408, 9497580, 9972459, 10130752, 11080510, 11397096, 12663440, 12821733, 13296612, 14246370, 15196128, 16620765, 17095644, 17728816, 18995160, 19944918, 21369555, 22161020, 22794192, 25326880, 25643466, 26593224, 28492740, 29917377, 30392256, 33241530, 34191288, 35457632, 37990320, 39889836, 42739110, 44322040, 45588384, 49862295, 50653760, 51286932, 53186448, 56985480, 59834754, 64108665, 66483060, 68382576, 70915264, 75980640, 79779672, 85478220, 88644080, 89752131, 91176768, 99724590, 102573864, 106372896, 113970960, 119669508, 128217330, 132966120, 136765152, 149586885, 151961280, 159559344, 170956440, 177288160, 179504262, 199449180, 205147728, 212745792, 227941920, 239339016, 256434660, 265932240, 273530304, 299173770, 319118688, 341912880, 354576320, 359008524, 398898360, 410295456, 448760655, 455883840, 478678032, 512869320, 531864480, 598347540, 638237376, 683825760, 718017048, 797796720, 820590912, 897521310, 957356064, 1025738640, 1063728960, 1196695080, 1367651520, 1436034096, 1595593440, 1795042620, 1914712128, 2051477280, 2393390160, 2872068192, 3191186880, 3590085240, 4102954560, 4786780320, 5744136384, 7180170480, 9573560640, 14360340960, 28720681920]

約数ペア:

[(1, 28720681920), (2, 14360340960), (3, 9573560640), (4, 7180170480), (5, 5744136384), (6, 4786780320), (7, 4102954560), (8, 3590085240), (9, 3191186880), (10, 2872068192), (12, 2393390160), (14, 2051477280), (15, 1914712128), (16, 1795042620), (18, 1595593440), (20, 1436034096), (21, 1367651520), (24, 1196695080), (27, 1063728960), (28, 1025738640), (30, 957356064), (32, 897521310), (35, 820590912), (36, 797796720), (40, 718017048), (42, 683825760), (45, 638237376), (48, 598347540), (54, 531864480), (56, 512869320), (60, 478678032), (63, 455883840), (64, 448760655), (70, 410295456), (72, 398898360), (80, 359008524), (81, 354576320), (84, 341912880), (90, 319118688), (96, 299173770), (105, 273530304), (108, 265932240), (112, 256434660), (120, 239339016), (126, 227941920), (135, 212745792), (140, 205147728), (144, 199449180), (160, 179504262), (162, 177288160), (168, 170956440), (180, 159559344), (189, 151961280), (192, 149586885), (210, 136765152), (216, 132966120), (224, 128217330), (240, 119669508), (252, 113970960), (270, 106372896), (280, 102573864), (288, 99724590), (315, 91176768), (320, 89752131), (324, 88644080), (336, 85478220), (360, 79779672), (378, 75980640), (405, 70915264), (420, 68382576), (432, 66483060), (448, 64108665), (480, 59834754), (504, 56985480), (540, 53186448), (560, 51286932), (567, 50653760), (576, 49862295), (630, 45588384), (648, 44322040), (672, 42739110), (720, 39889836), (756, 37990320), (810, 35457632), (840, 34191288), (864, 33241530), (945, 30392256), (960, 29917377), (1008, 28492740), (1080, 26593224), (1120, 25643466), (1134, 25326880), (1260, 22794192), (1296, 22161020), (1344, 21369555), (1440, 19944918), (1512, 18995160), (1620, 17728816), (1680, 17095644), (1728, 16620765), (1890, 15196128), (2016, 14246370), (2160, 13296612), (2240, 12821733), (2268, 12663440), (2520, 11397096), (2592, 11080510), (2835, 10130752), (2880, 9972459), (3024, 9497580), (3240, 8864408), (3360, 8547822), (3780, 7598064), (4032, 7123185), (4320, 6648306), (4536, 6331720), (5040, 5698548), (5184, 5540255), (5670, 5065376), (6048, 4748790), (6480, 4432204), (6720, 4273911), (7560, 3799032), (8640, 3324153), (9072, 3165860), (10080, 2849274), (11340, 2532688), (12096, 2374395), (12960, 2216102), (15120, 1899516), (18144, 1582930), (20160, 1424637), (22680, 1266344), (25920, 1108051), (30240, 949758), (36288, 791465), (45360, 633172), (60480, 474879), (90720, 316586), (158293, 181440)]