243997920

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:375

約数の個数: 240

約数和(自身を含む): 877071888

約数和(自身を除く): 633073968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 67, 72, 80, 81, 90, 96, 108, 120, 134, 135, 144, 160, 162, 180, 201, 216, 240, 268, 270, 281, 288, 324, 335, 360, 402, 405, 432, 480, 536, 540, 562, 603, 648, 670, 720, 804, 810, 843, 864, 1005, 1072, 1080, 1124, 1206, 1296, 1340, 1405, 1440, 1608, 1620, 1686, 1809, 2010, 2144, 2160, 2248, 2412, 2529, 2592, 2680, 2810, 3015, 3216, 3240, 3372, 3618, 4020, 4215, 4320, 4496, 4824, 5058, 5360, 5427, 5620, 6030, 6432, 6480, 6744, 7236, 7587, 8040, 8430, 8992, 9045, 9648, 10116, 10720, 10854, 11240, 12060, 12645, 12960, 13488, 14472, 15174, 16080, 16860, 18090, 18827, 19296, 20232, 21708, 22480, 22761, 24120, 25290, 26976, 27135, 28944, 30348, 32160, 33720, 36180, 37654, 37935, 40464, 43416, 44960, 45522, 48240, 50580, 54270, 56481, 57888, 60696, 67440, 72360, 75308, 75870, 80928, 86832, 91044, 94135, 96480, 101160, 108540, 112962, 113805, 121392, 134880, 144720, 150616, 151740, 169443, 173664, 182088, 188270, 202320, 217080, 225924, 227610, 242784, 282405, 289440, 301232, 303480, 338886, 364176, 376540, 404640, 434160, 451848, 455220, 508329, 564810, 602464, 606960, 677772, 728352, 753080, 847215, 868320, 903696, 910440, 1016658, 1129620, 1213920, 1355544, 1506160, 1524987, 1694430, 1807392, 1820880, 2033316, 2259240, 2541645, 2711088, 3012320, 3049974, 3388860, 3641760, 4066632, 4518480, 5083290, 5422176, 6099948, 6777720, 7624935, 8133264, 9036960, 10166580, 12199896, 13555440, 15249870, 16266528, 20333160, 24399792, 27110880, 30499740, 40666320, 48799584, 60999480, 81332640, 121998960, 243997920]

約数ペア:

[(1, 243997920), (2, 121998960), (3, 81332640), (4, 60999480), (5, 48799584), (6, 40666320), (8, 30499740), (9, 27110880), (10, 24399792), (12, 20333160), (15, 16266528), (16, 15249870), (18, 13555440), (20, 12199896), (24, 10166580), (27, 9036960), (30, 8133264), (32, 7624935), (36, 6777720), (40, 6099948), (45, 5422176), (48, 5083290), (54, 4518480), (60, 4066632), (67, 3641760), (72, 3388860), (80, 3049974), (81, 3012320), (90, 2711088), (96, 2541645), (108, 2259240), (120, 2033316), (134, 1820880), (135, 1807392), (144, 1694430), (160, 1524987), (162, 1506160), (180, 1355544), (201, 1213920), (216, 1129620), (240, 1016658), (268, 910440), (270, 903696), (281, 868320), (288, 847215), (324, 753080), (335, 728352), (360, 677772), (402, 606960), (405, 602464), (432, 564810), (480, 508329), (536, 455220), (540, 451848), (562, 434160), (603, 404640), (648, 376540), (670, 364176), (720, 338886), (804, 303480), (810, 301232), (843, 289440), (864, 282405), (1005, 242784), (1072, 227610), (1080, 225924), (1124, 217080), (1206, 202320), (1296, 188270), (1340, 182088), (1405, 173664), (1440, 169443), (1608, 151740), (1620, 150616), (1686, 144720), (1809, 134880), (2010, 121392), (2144, 113805), (2160, 112962), (2248, 108540), (2412, 101160), (2529, 96480), (2592, 94135), (2680, 91044), (2810, 86832), (3015, 80928), (3216, 75870), (3240, 75308), (3372, 72360), (3618, 67440), (4020, 60696), (4215, 57888), (4320, 56481), (4496, 54270), (4824, 50580), (5058, 48240), (5360, 45522), (5427, 44960), (5620, 43416), (6030, 40464), (6432, 37935), (6480, 37654), (6744, 36180), (7236, 33720), (7587, 32160), (8040, 30348), (8430, 28944), (8992, 27135), (9045, 26976), (9648, 25290), (10116, 24120), (10720, 22761), (10854, 22480), (11240, 21708), (12060, 20232), (12645, 19296), (12960, 18827), (13488, 18090), (14472, 16860), (15174, 16080)]