287413920

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:425

約数の個数: 240

約数和(自身を含む): 1032581088

約数和(自身を除く): 745167168

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, 288, 324, 331, 335, 360, 402, 405, 432, 480, 536, 540, 603, 648, 662, 670, 720, 804, 810, 864, 993, 1005, 1072, 1080, 1206, 1296, 1324, 1340, 1440, 1608, 1620, 1655, 1809, 1986, 2010, 2144, 2160, 2412, 2592, 2648, 2680, 2979, 3015, 3216, 3240, 3310, 3618, 3972, 4020, 4320, 4824, 4965, 5296, 5360, 5427, 5958, 6030, 6432, 6480, 6620, 7236, 7944, 8040, 8937, 9045, 9648, 9930, 10592, 10720, 10854, 11916, 12060, 12960, 13240, 14472, 14895, 15888, 16080, 17874, 18090, 19296, 19860, 21708, 22177, 23832, 24120, 26480, 26811, 27135, 28944, 29790, 31776, 32160, 35748, 36180, 39720, 43416, 44354, 44685, 47664, 48240, 52960, 53622, 54270, 57888, 59580, 66531, 71496, 72360, 79440, 86832, 88708, 89370, 95328, 96480, 107244, 108540, 110885, 119160, 133062, 134055, 142992, 144720, 158880, 173664, 177416, 178740, 199593, 214488, 217080, 221770, 238320, 266124, 268110, 285984, 289440, 332655, 354832, 357480, 399186, 428976, 434160, 443540, 476640, 532248, 536220, 598779, 665310, 709664, 714960, 798372, 857952, 868320, 887080, 997965, 1064496, 1072440, 1197558, 1330620, 1429920, 1596744, 1774160, 1796337, 1995930, 2128992, 2144880, 2395116, 2661240, 2993895, 3193488, 3548320, 3592674, 3991860, 4289760, 4790232, 5322480, 5987790, 6386976, 7185348, 7983720, 8981685, 9580464, 10644960, 11975580, 14370696, 15967440, 17963370, 19160928, 23951160, 28741392, 31934880, 35926740, 47902320, 57482784, 71853480, 95804640, 143706960, 287413920]

約数ペア:

[(1, 287413920), (2, 143706960), (3, 95804640), (4, 71853480), (5, 57482784), (6, 47902320), (8, 35926740), (9, 31934880), (10, 28741392), (12, 23951160), (15, 19160928), (16, 17963370), (18, 15967440), (20, 14370696), (24, 11975580), (27, 10644960), (30, 9580464), (32, 8981685), (36, 7983720), (40, 7185348), (45, 6386976), (48, 5987790), (54, 5322480), (60, 4790232), (67, 4289760), (72, 3991860), (80, 3592674), (81, 3548320), (90, 3193488), (96, 2993895), (108, 2661240), (120, 2395116), (134, 2144880), (135, 2128992), (144, 1995930), (160, 1796337), (162, 1774160), (180, 1596744), (201, 1429920), (216, 1330620), (240, 1197558), (268, 1072440), (270, 1064496), (288, 997965), (324, 887080), (331, 868320), (335, 857952), (360, 798372), (402, 714960), (405, 709664), (432, 665310), (480, 598779), (536, 536220), (540, 532248), (603, 476640), (648, 443540), (662, 434160), (670, 428976), (720, 399186), (804, 357480), (810, 354832), (864, 332655), (993, 289440), (1005, 285984), (1072, 268110), (1080, 266124), (1206, 238320), (1296, 221770), (1324, 217080), (1340, 214488), (1440, 199593), (1608, 178740), (1620, 177416), (1655, 173664), (1809, 158880), (1986, 144720), (2010, 142992), (2144, 134055), (2160, 133062), (2412, 119160), (2592, 110885), (2648, 108540), (2680, 107244), (2979, 96480), (3015, 95328), (3216, 89370), (3240, 88708), (3310, 86832), (3618, 79440), (3972, 72360), (4020, 71496), (4320, 66531), (4824, 59580), (4965, 57888), (5296, 54270), (5360, 53622), (5427, 52960), (5958, 48240), (6030, 47664), (6432, 44685), (6480, 44354), (6620, 43416), (7236, 39720), (7944, 36180), (8040, 35748), (8937, 32160), (9045, 31776), (9648, 29790), (9930, 28944), (10592, 27135), (10720, 26811), (10854, 26480), (11916, 24120), (12060, 23832), (12960, 22177), (13240, 21708), (14472, 19860), (14895, 19296), (15888, 18090), (16080, 17874)]