240401280

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:637

約数の個数: 256

約数和(自身を含む): 905564160

約数和(自身を除く): 665162880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 480, 496, 560, 577, 620, 640, 651, 672, 744, 840, 868, 896, 930, 960, 992, 1085, 1120, 1154, 1240, 1302, 1344, 1488, 1680, 1731, 1736, 1860, 1920, 1984, 2170, 2240, 2308, 2480, 2604, 2688, 2885, 2976, 3255, 3360, 3462, 3472, 3720, 3968, 4039, 4340, 4480, 4616, 4960, 5208, 5770, 5952, 6510, 6720, 6924, 6944, 7440, 8078, 8655, 8680, 9232, 9920, 10416, 11540, 11904, 12117, 13020, 13440, 13848, 13888, 14880, 16156, 17310, 17360, 17887, 18464, 19840, 20195, 20832, 23080, 24234, 26040, 27696, 27776, 29760, 32312, 34620, 34720, 35774, 36928, 40390, 41664, 46160, 48468, 52080, 53661, 55392, 59520, 60585, 64624, 69240, 69440, 71548, 73856, 80780, 83328, 89435, 92320, 96936, 104160, 107322, 110784, 121170, 125209, 129248, 138480, 138880, 143096, 161560, 178870, 184640, 193872, 208320, 214644, 221568, 242340, 250418, 258496, 268305, 276960, 286192, 323120, 357740, 369280, 375627, 387744, 416640, 429288, 484680, 500836, 516992, 536610, 553920, 572384, 626045, 646240, 715480, 751254, 775488, 858576, 969360, 1001672, 1073220, 1107840, 1144768, 1252090, 1292480, 1430960, 1502508, 1550976, 1717152, 1878135, 1938720, 2003344, 2146440, 2289536, 2504180, 2584960, 2861920, 3005016, 3434304, 3756270, 3877440, 4006688, 4292880, 5008360, 5723840, 6010032, 6868608, 7512540, 7754880, 8013376, 8585760, 10016720, 11447680, 12020064, 15025080, 16026752, 17171520, 20033440, 24040128, 30050160, 34343040, 40066880, 48080256, 60100320, 80133760, 120200640, 240401280]

約数ペア:

[(1, 240401280), (2, 120200640), (3, 80133760), (4, 60100320), (5, 48080256), (6, 40066880), (7, 34343040), (8, 30050160), (10, 24040128), (12, 20033440), (14, 17171520), (15, 16026752), (16, 15025080), (20, 12020064), (21, 11447680), (24, 10016720), (28, 8585760), (30, 8013376), (31, 7754880), (32, 7512540), (35, 6868608), (40, 6010032), (42, 5723840), (48, 5008360), (56, 4292880), (60, 4006688), (62, 3877440), (64, 3756270), (70, 3434304), (80, 3005016), (84, 2861920), (93, 2584960), (96, 2504180), (105, 2289536), (112, 2146440), (120, 2003344), (124, 1938720), (128, 1878135), (140, 1717152), (155, 1550976), (160, 1502508), (168, 1430960), (186, 1292480), (192, 1252090), (210, 1144768), (217, 1107840), (224, 1073220), (240, 1001672), (248, 969360), (280, 858576), (310, 775488), (320, 751254), (336, 715480), (372, 646240), (384, 626045), (420, 572384), (434, 553920), (448, 536610), (465, 516992), (480, 500836), (496, 484680), (560, 429288), (577, 416640), (620, 387744), (640, 375627), (651, 369280), (672, 357740), (744, 323120), (840, 286192), (868, 276960), (896, 268305), (930, 258496), (960, 250418), (992, 242340), (1085, 221568), (1120, 214644), (1154, 208320), (1240, 193872), (1302, 184640), (1344, 178870), (1488, 161560), (1680, 143096), (1731, 138880), (1736, 138480), (1860, 129248), (1920, 125209), (1984, 121170), (2170, 110784), (2240, 107322), (2308, 104160), (2480, 96936), (2604, 92320), (2688, 89435), (2885, 83328), (2976, 80780), (3255, 73856), (3360, 71548), (3462, 69440), (3472, 69240), (3720, 64624), (3968, 60585), (4039, 59520), (4340, 55392), (4480, 53661), (4616, 52080), (4960, 48468), (5208, 46160), (5770, 41664), (5952, 40390), (6510, 36928), (6720, 35774), (6924, 34720), (6944, 34620), (7440, 32312), (8078, 29760), (8655, 27776), (8680, 27696), (9232, 26040), (9920, 24234), (10416, 23080), (11540, 20832), (11904, 20195), (12117, 19840), (13020, 18464), (13440, 17887), (13848, 17360), (13888, 17310), (14880, 16156)]