209472480

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{2309}}^1$

素因数の和:2343

約数の個数: 240

約数和(自身を含む): 845238240

約数和(自身を除く): 635765760

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, 2309, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 4618, 5040, 5670, 6048, 6480, 6927, 7560, 9072, 9236, 10080, 11340, 11545, 12960, 13854, 15120, 16163, 18144, 18472, 20781, 22680, 23090, 27708, 30240, 32326, 34635, 36944, 41562, 45360, 46180, 48489, 55416, 62343, 64652, 69270, 73888, 80815, 83124, 90720, 92360, 96978, 103905, 110832, 124686, 129304, 138540, 145467, 161630, 166248, 184720, 187029, 193956, 207810, 221664, 242445, 249372, 258608, 277080, 290934, 311715, 323260, 332496, 369440, 374058, 387912, 415620, 436401, 484890, 498744, 517216, 554160, 581868, 623430, 646520, 664992, 727335, 748116, 775824, 831240, 872802, 935145, 969780, 997488, 1108320, 1163736, 1246860, 1293040, 1309203, 1454670, 1496232, 1551648, 1662480, 1745604, 1870290, 1939560, 1994976, 2182005, 2327472, 2493720, 2586080, 2618406, 2909340, 2992464, 3324960, 3491208, 3740580, 3879120, 4364010, 4654944, 4987440, 5236812, 5818680, 5984928, 6546015, 6982416, 7481160, 7758240, 8728020, 9974880, 10473624, 11637360, 13092030, 13964832, 14962320, 17456040, 20947248, 23274720, 26184060, 29924640, 34912080, 41894496, 52368120, 69824160, 104736240, 209472480]

約数ペア:

[(1, 209472480), (2, 104736240), (3, 69824160), (4, 52368120), (5, 41894496), (6, 34912080), (7, 29924640), (8, 26184060), (9, 23274720), (10, 20947248), (12, 17456040), (14, 14962320), (15, 13964832), (16, 13092030), (18, 11637360), (20, 10473624), (21, 9974880), (24, 8728020), (27, 7758240), (28, 7481160), (30, 6982416), (32, 6546015), (35, 5984928), (36, 5818680), (40, 5236812), (42, 4987440), (45, 4654944), (48, 4364010), (54, 3879120), (56, 3740580), (60, 3491208), (63, 3324960), (70, 2992464), (72, 2909340), (80, 2618406), (81, 2586080), (84, 2493720), (90, 2327472), (96, 2182005), (105, 1994976), (108, 1939560), (112, 1870290), (120, 1745604), (126, 1662480), (135, 1551648), (140, 1496232), (144, 1454670), (160, 1309203), (162, 1293040), (168, 1246860), (180, 1163736), (189, 1108320), (210, 997488), (216, 969780), (224, 935145), (240, 872802), (252, 831240), (270, 775824), (280, 748116), (288, 727335), (315, 664992), (324, 646520), (336, 623430), (360, 581868), (378, 554160), (405, 517216), (420, 498744), (432, 484890), (480, 436401), (504, 415620), (540, 387912), (560, 374058), (567, 369440), (630, 332496), (648, 323260), (672, 311715), (720, 290934), (756, 277080), (810, 258608), (840, 249372), (864, 242445), (945, 221664), (1008, 207810), (1080, 193956), (1120, 187029), (1134, 184720), (1260, 166248), (1296, 161630), (1440, 145467), (1512, 138540), (1620, 129304), (1680, 124686), (1890, 110832), (2016, 103905), (2160, 96978), (2268, 92360), (2309, 90720), (2520, 83124), (2592, 80815), (2835, 73888), (3024, 69270), (3240, 64652), (3360, 62343), (3780, 55416), (4320, 48489), (4536, 46180), (4618, 45360), (5040, 41562), (5670, 36944), (6048, 34635), (6480, 32326), (6927, 30240), (7560, 27708), (9072, 23090), (9236, 22680), (10080, 20781), (11340, 18472), (11545, 18144), (12960, 16163), (13854, 15120)]