87181920

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^2$

素因数の和:96

約数の個数: 360

約数和(自身を含む): 363342672

約数和(自身を除く): 276160752

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 70, 72, 80, 81, 84, 90, 93, 96, 105, 108, 112, 120, 124, 126, 135, 140, 144, 155, 160, 162, 168, 180, 186, 189, 210, 216, 217, 224, 240, 248, 252, 270, 279, 280, 288, 310, 315, 324, 336, 360, 372, 378, 405, 420, 432, 434, 465, 480, 496, 504, 540, 558, 560, 567, 620, 630, 648, 651, 672, 720, 744, 756, 810, 837, 840, 864, 868, 930, 945, 961, 992, 1008, 1080, 1085, 1116, 1120, 1134, 1240, 1260, 1296, 1302, 1395, 1440, 1488, 1512, 1620, 1674, 1680, 1736, 1860, 1890, 1922, 1953, 2016, 2160, 2170, 2232, 2268, 2480, 2511, 2520, 2592, 2604, 2790, 2835, 2883, 2976, 3024, 3240, 3255, 3348, 3360, 3472, 3720, 3780, 3844, 3906, 4185, 4320, 4340, 4464, 4536, 4805, 4960, 5022, 5040, 5208, 5580, 5670, 5766, 5859, 6048, 6480, 6510, 6696, 6727, 6944, 7440, 7560, 7688, 7812, 8370, 8649, 8680, 8928, 9072, 9610, 9765, 10044, 10080, 10416, 11160, 11340, 11532, 11718, 12555, 12960, 13020, 13392, 13454, 14415, 14880, 15120, 15376, 15624, 16740, 17298, 17360, 17577, 18144, 19220, 19530, 20088, 20181, 20832, 22320, 22680, 23064, 23436, 25110, 25947, 26040, 26784, 26908, 28830, 29295, 30240, 30752, 31248, 33480, 33635, 34596, 34720, 35154, 38440, 39060, 40176, 40362, 43245, 44640, 45360, 46128, 46872, 50220, 51894, 52080, 53816, 57660, 58590, 60543, 62496, 66960, 67270, 69192, 70308, 76880, 77841, 78120, 80352, 80724, 86490, 87885, 90720, 92256, 93744, 100440, 100905, 103788, 104160, 107632, 115320, 117180, 121086, 129735, 133920, 134540, 138384, 140616, 153760, 155682, 156240, 161448, 172980, 175770, 181629, 187488, 200880, 201810, 207576, 215264, 230640, 234360, 242172, 259470, 269080, 276768, 281232, 302715, 311364, 312480, 322896, 345960, 351540, 363258, 389205, 401760, 403620, 415152, 461280, 468720, 484344, 518940, 538160, 544887, 562464, 605430, 622728, 645792, 691920, 703080, 726516, 778410, 807240, 830304, 908145, 937440, 968688, 1037880, 1076320, 1089774, 1210860, 1245456, 1383840, 1406160, 1453032, 1556820, 1614480, 1816290, 1937376, 2075760, 2179548, 2421720, 2490912, 2724435, 2812320, 2906064, 3113640, 3228960, 3632580, 4151520, 4359096, 4843440, 5448870, 5812128, 6227280, 7265160, 8718192, 9686880, 10897740, 12454560, 14530320, 17436384, 21795480, 29060640, 43590960, 87181920]

約数ペア:

[(1, 87181920), (2, 43590960), (3, 29060640), (4, 21795480), (5, 17436384), (6, 14530320), (7, 12454560), (8, 10897740), (9, 9686880), (10, 8718192), (12, 7265160), (14, 6227280), (15, 5812128), (16, 5448870), (18, 4843440), (20, 4359096), (21, 4151520), (24, 3632580), (27, 3228960), (28, 3113640), (30, 2906064), (31, 2812320), (32, 2724435), (35, 2490912), (36, 2421720), (40, 2179548), (42, 2075760), (45, 1937376), (48, 1816290), (54, 1614480), (56, 1556820), (60, 1453032), (62, 1406160), (63, 1383840), (70, 1245456), (72, 1210860), (80, 1089774), (81, 1076320), (84, 1037880), (90, 968688), (93, 937440), (96, 908145), (105, 830304), (108, 807240), (112, 778410), (120, 726516), (124, 703080), (126, 691920), (135, 645792), (140, 622728), (144, 605430), (155, 562464), (160, 544887), (162, 538160), (168, 518940), (180, 484344), (186, 468720), (189, 461280), (210, 415152), (216, 403620), (217, 401760), (224, 389205), (240, 363258), (248, 351540), (252, 345960), (270, 322896), (279, 312480), (280, 311364), (288, 302715), (310, 281232), (315, 276768), (324, 269080), (336, 259470), (360, 242172), (372, 234360), (378, 230640), (405, 215264), (420, 207576), (432, 201810), (434, 200880), (465, 187488), (480, 181629), (496, 175770), (504, 172980), (540, 161448), (558, 156240), (560, 155682), (567, 153760), (620, 140616), (630, 138384), (648, 134540), (651, 133920), (672, 129735), (720, 121086), (744, 117180), (756, 115320), (810, 107632), (837, 104160), (840, 103788), (864, 100905), (868, 100440), (930, 93744), (945, 92256), (961, 90720), (992, 87885), (1008, 86490), (1080, 80724), (1085, 80352), (1116, 78120), (1120, 77841), (1134, 76880), (1240, 70308), (1260, 69192), (1296, 67270), (1302, 66960), (1395, 62496), (1440, 60543), (1488, 58590), (1512, 57660), (1620, 53816), (1674, 52080), (1680, 51894), (1736, 50220), (1860, 46872), (1890, 46128), (1922, 45360), (1953, 44640), (2016, 43245), (2160, 40362), (2170, 40176), (2232, 39060), (2268, 38440), (2480, 35154), (2511, 34720), (2520, 34596), (2592, 33635), (2604, 33480), (2790, 31248), (2835, 30752), (2883, 30240), (2976, 29295), (3024, 28830), (3240, 26908), (3255, 26784), (3348, 26040), (3360, 25947), (3472, 25110), (3720, 23436), (3780, 23064), (3844, 22680), (3906, 22320), (4185, 20832), (4320, 20181), (4340, 20088), (4464, 19530), (4536, 19220), (4805, 18144), (4960, 17577), (5022, 17360), (5040, 17298), (5208, 16740), (5580, 15624), (5670, 15376), (5766, 15120), (5859, 14880), (6048, 14415), (6480, 13454), (6510, 13392), (6696, 13020), (6727, 12960), (6944, 12555), (7440, 11718), (7560, 11532), (7688, 11340), (7812, 11160), (8370, 10416), (8649, 10080), (8680, 10044), (8928, 9765), (9072, 9610)]