68316768

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 144

約数和(自身を含む): 212992416

約数和(自身を除く): 144675648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 71, 72, 78, 96, 104, 117, 142, 144, 156, 208, 213, 234, 257, 284, 288, 312, 416, 426, 468, 514, 568, 624, 639, 771, 852, 923, 936, 1028, 1136, 1248, 1278, 1542, 1704, 1846, 1872, 2056, 2272, 2313, 2556, 2769, 3084, 3341, 3408, 3692, 3744, 4112, 4626, 5112, 5538, 6168, 6682, 6816, 7384, 8224, 8307, 9252, 10023, 10224, 11076, 12336, 13364, 14768, 16614, 18247, 18504, 20046, 20448, 22152, 24672, 26728, 29536, 30069, 33228, 36494, 37008, 40092, 44304, 53456, 54741, 60138, 66456, 72988, 74016, 80184, 88608, 106912, 109482, 120276, 132912, 145976, 160368, 164223, 218964, 237211, 240552, 265824, 291952, 320736, 328446, 437928, 474422, 481104, 583904, 656892, 711633, 875856, 948844, 962208, 1313784, 1423266, 1751712, 1897688, 2134899, 2627568, 2846532, 3795376, 4269798, 5255136, 5693064, 7590752, 8539596, 11386128, 17079192, 22772256, 34158384, 68316768]

約数ペア:

[(1, 68316768), (2, 34158384), (3, 22772256), (4, 17079192), (6, 11386128), (8, 8539596), (9, 7590752), (12, 5693064), (13, 5255136), (16, 4269798), (18, 3795376), (24, 2846532), (26, 2627568), (32, 2134899), (36, 1897688), (39, 1751712), (48, 1423266), (52, 1313784), (71, 962208), (72, 948844), (78, 875856), (96, 711633), (104, 656892), (117, 583904), (142, 481104), (144, 474422), (156, 437928), (208, 328446), (213, 320736), (234, 291952), (257, 265824), (284, 240552), (288, 237211), (312, 218964), (416, 164223), (426, 160368), (468, 145976), (514, 132912), (568, 120276), (624, 109482), (639, 106912), (771, 88608), (852, 80184), (923, 74016), (936, 72988), (1028, 66456), (1136, 60138), (1248, 54741), (1278, 53456), (1542, 44304), (1704, 40092), (1846, 37008), (1872, 36494), (2056, 33228), (2272, 30069), (2313, 29536), (2556, 26728), (2769, 24672), (3084, 22152), (3341, 20448), (3408, 20046), (3692, 18504), (3744, 18247), (4112, 16614), (4626, 14768), (5112, 13364), (5538, 12336), (6168, 11076), (6682, 10224), (6816, 10023), (7384, 9252), (8224, 8307)]