21838027680

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{240719}}^1$

素因数の和:240753

約数の個数: 240

約数和(自身を含む): 88080410880

約数和(自身を除く): 66242383200

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, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 10080, 11340, 12960, 15120, 18144, 22680, 30240, 45360, 90720, 240719, 481438, 722157, 962876, 1203595, 1444314, 1685033, 1925752, 2166471, 2407190, 2888628, 3370066, 3610785, 3851504, 4332942, 4814380, 5055099, 5777256, 6499413, 6740132, 7221570, 7703008, 8425165, 8665884, 9628760, 10110198, 10832355, 11554512, 12998826, 13480264, 14443140, 15165297, 16850330, 17331768, 19257520, 19498239, 20220396, 21664710, 23109024, 25275495, 25997652, 26960528, 28886280, 30330594, 32497065, 33700660, 34663536, 38515040, 38996478, 40440792, 43329420, 45495891, 50550990, 51995304, 53921056, 57772560, 60661188, 64994130, 67401320, 69327072, 75826485, 77992956, 80881584, 86658840, 90991782, 97491195, 101101980, 103990608, 115545120, 121322376, 129988260, 134802640, 136487673, 151652970, 155985912, 161763168, 173317680, 181983564, 194982390, 202203960, 207981216, 227479455, 242644752, 259976520, 269605280, 272975346, 303305940, 311971824, 346635360, 363967128, 389964780, 404407920, 454958910, 485289504, 519953040, 545950692, 606611880, 623943648, 682438365, 727934256, 779929560, 808815840, 909917820, 1039906080, 1091901384, 1213223760, 1364876730, 1455868512, 1559859120, 1819835640, 2183802768, 2426447520, 2729753460, 3119718240, 3639671280, 4367605536, 5459506920, 7279342560, 10919013840, 21838027680]

約数ペア:

[(1, 21838027680), (2, 10919013840), (3, 7279342560), (4, 5459506920), (5, 4367605536), (6, 3639671280), (7, 3119718240), (8, 2729753460), (9, 2426447520), (10, 2183802768), (12, 1819835640), (14, 1559859120), (15, 1455868512), (16, 1364876730), (18, 1213223760), (20, 1091901384), (21, 1039906080), (24, 909917820), (27, 808815840), (28, 779929560), (30, 727934256), (32, 682438365), (35, 623943648), (36, 606611880), (40, 545950692), (42, 519953040), (45, 485289504), (48, 454958910), (54, 404407920), (56, 389964780), (60, 363967128), (63, 346635360), (70, 311971824), (72, 303305940), (80, 272975346), (81, 269605280), (84, 259976520), (90, 242644752), (96, 227479455), (105, 207981216), (108, 202203960), (112, 194982390), (120, 181983564), (126, 173317680), (135, 161763168), (140, 155985912), (144, 151652970), (160, 136487673), (162, 134802640), (168, 129988260), (180, 121322376), (189, 115545120), (210, 103990608), (216, 101101980), (224, 97491195), (240, 90991782), (252, 86658840), (270, 80881584), (280, 77992956), (288, 75826485), (315, 69327072), (324, 67401320), (336, 64994130), (360, 60661188), (378, 57772560), (405, 53921056), (420, 51995304), (432, 50550990), (480, 45495891), (504, 43329420), (540, 40440792), (560, 38996478), (567, 38515040), (630, 34663536), (648, 33700660), (672, 32497065), (720, 30330594), (756, 28886280), (810, 26960528), (840, 25997652), (864, 25275495), (945, 23109024), (1008, 21664710), (1080, 20220396), (1120, 19498239), (1134, 19257520), (1260, 17331768), (1296, 16850330), (1440, 15165297), (1512, 14443140), (1620, 13480264), (1680, 12998826), (1890, 11554512), (2016, 10832355), (2160, 10110198), (2268, 9628760), (2520, 8665884), (2592, 8425165), (2835, 7703008), (3024, 7221570), (3240, 6740132), (3360, 6499413), (3780, 5777256), (4320, 5055099), (4536, 4814380), (5040, 4332942), (5670, 3851504), (6048, 3610785), (6480, 3370066), (7560, 2888628), (9072, 2407190), (10080, 2166471), (11340, 1925752), (12960, 1685033), (15120, 1444314), (18144, 1203595), (22680, 962876), (30240, 722157), (45360, 481438), (90720, 240719)]