261267840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{677}}^1$

素因数の和:769

約数の個数: 192

約数和(自身を含む): 917008560

約数和(自身を除く): 655740720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 67, 72, 80, 90, 96, 120, 128, 134, 144, 160, 180, 192, 201, 240, 268, 288, 320, 335, 360, 384, 402, 480, 536, 576, 603, 640, 670, 677, 720, 804, 960, 1005, 1072, 1152, 1206, 1340, 1354, 1440, 1608, 1920, 2010, 2031, 2144, 2412, 2680, 2708, 2880, 3015, 3216, 3385, 4020, 4062, 4288, 4824, 5360, 5416, 5760, 6030, 6093, 6432, 6770, 8040, 8124, 8576, 9648, 10155, 10720, 10832, 12060, 12186, 12864, 13540, 16080, 16248, 19296, 20310, 21440, 21664, 24120, 24372, 25728, 27080, 30465, 32160, 32496, 38592, 40620, 42880, 43328, 45359, 48240, 48744, 54160, 60930, 64320, 64992, 77184, 81240, 86656, 90718, 96480, 97488, 108320, 121860, 128640, 129984, 136077, 162480, 181436, 192960, 194976, 216640, 226795, 243720, 259968, 272154, 324960, 362872, 385920, 389952, 408231, 433280, 453590, 487440, 544308, 649920, 680385, 725744, 779904, 816462, 907180, 974880, 1088616, 1299840, 1360770, 1451488, 1632924, 1814360, 1949760, 2041155, 2177232, 2721540, 2902976, 3265848, 3628720, 3899520, 4082310, 4354464, 5443080, 5805952, 6531696, 7257440, 8164620, 8708928, 10886160, 13063392, 14514880, 16329240, 17417856, 21772320, 26126784, 29029760, 32658480, 43544640, 52253568, 65316960, 87089280, 130633920, 261267840]

約数ペア:

[(1, 261267840), (2, 130633920), (3, 87089280), (4, 65316960), (5, 52253568), (6, 43544640), (8, 32658480), (9, 29029760), (10, 26126784), (12, 21772320), (15, 17417856), (16, 16329240), (18, 14514880), (20, 13063392), (24, 10886160), (30, 8708928), (32, 8164620), (36, 7257440), (40, 6531696), (45, 5805952), (48, 5443080), (60, 4354464), (64, 4082310), (67, 3899520), (72, 3628720), (80, 3265848), (90, 2902976), (96, 2721540), (120, 2177232), (128, 2041155), (134, 1949760), (144, 1814360), (160, 1632924), (180, 1451488), (192, 1360770), (201, 1299840), (240, 1088616), (268, 974880), (288, 907180), (320, 816462), (335, 779904), (360, 725744), (384, 680385), (402, 649920), (480, 544308), (536, 487440), (576, 453590), (603, 433280), (640, 408231), (670, 389952), (677, 385920), (720, 362872), (804, 324960), (960, 272154), (1005, 259968), (1072, 243720), (1152, 226795), (1206, 216640), (1340, 194976), (1354, 192960), (1440, 181436), (1608, 162480), (1920, 136077), (2010, 129984), (2031, 128640), (2144, 121860), (2412, 108320), (2680, 97488), (2708, 96480), (2880, 90718), (3015, 86656), (3216, 81240), (3385, 77184), (4020, 64992), (4062, 64320), (4288, 60930), (4824, 54160), (5360, 48744), (5416, 48240), (5760, 45359), (6030, 43328), (6093, 42880), (6432, 40620), (6770, 38592), (8040, 32496), (8124, 32160), (8576, 30465), (9648, 27080), (10155, 25728), (10720, 24372), (10832, 24120), (12060, 21664), (12186, 21440), (12864, 20310), (13540, 19296), (16080, 16248)]