257716368

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:382

約数の個数: 240

約数和(自身を含む): 903442176

約数和(自身を除く): 645725808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 71, 72, 78, 84, 91, 104, 112, 117, 126, 142, 144, 156, 168, 182, 208, 213, 234, 252, 273, 277, 284, 312, 336, 364, 426, 468, 497, 504, 546, 554, 568, 624, 639, 728, 819, 831, 852, 923, 936, 994, 1008, 1092, 1108, 1136, 1278, 1456, 1491, 1638, 1662, 1704, 1846, 1872, 1939, 1988, 2184, 2216, 2493, 2556, 2769, 2982, 3276, 3324, 3408, 3601, 3692, 3878, 3976, 4368, 4432, 4473, 4986, 5112, 5538, 5817, 5964, 6461, 6552, 6648, 7202, 7384, 7756, 7952, 8307, 8946, 9972, 10224, 10803, 11076, 11634, 11928, 12922, 13104, 13296, 14404, 14768, 15512, 16614, 17451, 17892, 19383, 19667, 19944, 21606, 22152, 23268, 23856, 25207, 25844, 28808, 31024, 32409, 33228, 34902, 35784, 38766, 39334, 39888, 43212, 44304, 46536, 50414, 51688, 57616, 58149, 59001, 64818, 66456, 69804, 71568, 75621, 77532, 78668, 86424, 93072, 100828, 103376, 116298, 118002, 129636, 132912, 137669, 139608, 151242, 155064, 157336, 172848, 177003, 201656, 226863, 232596, 236004, 255671, 259272, 275338, 279216, 302484, 310128, 314672, 354006, 403312, 413007, 453726, 465192, 472008, 511342, 518544, 550676, 604968, 708012, 767013, 826014, 907452, 930384, 944016, 1022684, 1101352, 1209936, 1239021, 1416024, 1534026, 1652028, 1789697, 1814904, 2045368, 2202704, 2301039, 2478042, 2832048, 3068052, 3304056, 3579394, 3629808, 4090736, 4602078, 4956084, 5369091, 6136104, 6608112, 7158788, 9204156, 9912168, 10738182, 12272208, 14317576, 16107273, 18408312, 19824336, 21476364, 28635152, 32214546, 36816624, 42952728, 64429092, 85905456, 128858184, 257716368]

約数ペア:

[(1, 257716368), (2, 128858184), (3, 85905456), (4, 64429092), (6, 42952728), (7, 36816624), (8, 32214546), (9, 28635152), (12, 21476364), (13, 19824336), (14, 18408312), (16, 16107273), (18, 14317576), (21, 12272208), (24, 10738182), (26, 9912168), (28, 9204156), (36, 7158788), (39, 6608112), (42, 6136104), (48, 5369091), (52, 4956084), (56, 4602078), (63, 4090736), (71, 3629808), (72, 3579394), (78, 3304056), (84, 3068052), (91, 2832048), (104, 2478042), (112, 2301039), (117, 2202704), (126, 2045368), (142, 1814904), (144, 1789697), (156, 1652028), (168, 1534026), (182, 1416024), (208, 1239021), (213, 1209936), (234, 1101352), (252, 1022684), (273, 944016), (277, 930384), (284, 907452), (312, 826014), (336, 767013), (364, 708012), (426, 604968), (468, 550676), (497, 518544), (504, 511342), (546, 472008), (554, 465192), (568, 453726), (624, 413007), (639, 403312), (728, 354006), (819, 314672), (831, 310128), (852, 302484), (923, 279216), (936, 275338), (994, 259272), (1008, 255671), (1092, 236004), (1108, 232596), (1136, 226863), (1278, 201656), (1456, 177003), (1491, 172848), (1638, 157336), (1662, 155064), (1704, 151242), (1846, 139608), (1872, 137669), (1939, 132912), (1988, 129636), (2184, 118002), (2216, 116298), (2493, 103376), (2556, 100828), (2769, 93072), (2982, 86424), (3276, 78668), (3324, 77532), (3408, 75621), (3601, 71568), (3692, 69804), (3878, 66456), (3976, 64818), (4368, 59001), (4432, 58149), (4473, 57616), (4986, 51688), (5112, 50414), (5538, 46536), (5817, 44304), (5964, 43212), (6461, 39888), (6552, 39334), (6648, 38766), (7202, 35784), (7384, 34902), (7756, 33228), (7952, 32409), (8307, 31024), (8946, 28808), (9972, 25844), (10224, 25207), (10803, 23856), (11076, 23268), (11634, 22152), (11928, 21606), (12922, 19944), (13104, 19667), (13296, 19383), (14404, 17892), (14768, 17451), (15512, 16614)]