128365944

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:417

約数の個数: 128

約数和(自身を含む): 387072000

約数和(自身を除く): 258706056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 139, 161, 168, 184, 239, 276, 278, 322, 417, 478, 483, 552, 556, 644, 717, 834, 956, 966, 973, 1112, 1288, 1434, 1668, 1673, 1912, 1932, 1946, 2868, 2919, 3197, 3336, 3346, 3864, 3892, 5019, 5497, 5736, 5838, 6394, 6692, 7784, 9591, 10038, 10994, 11676, 12788, 13384, 16491, 19182, 20076, 21988, 22379, 23352, 25576, 32982, 33221, 38364, 38479, 40152, 43976, 44758, 65964, 66442, 67137, 76728, 76958, 89516, 99663, 115437, 131928, 132884, 134274, 153916, 179032, 199326, 230874, 232547, 265768, 268548, 307832, 398652, 461748, 465094, 537096, 697641, 764083, 797304, 923496, 930188, 1395282, 1528166, 1860376, 2292249, 2790564, 3056332, 4584498, 5348581, 5581128, 6112664, 9168996, 10697162, 16045743, 18337992, 21394324, 32091486, 42788648, 64182972, 128365944]

約数ペア:

[(1, 128365944), (2, 64182972), (3, 42788648), (4, 32091486), (6, 21394324), (7, 18337992), (8, 16045743), (12, 10697162), (14, 9168996), (21, 6112664), (23, 5581128), (24, 5348581), (28, 4584498), (42, 3056332), (46, 2790564), (56, 2292249), (69, 1860376), (84, 1528166), (92, 1395282), (138, 930188), (139, 923496), (161, 797304), (168, 764083), (184, 697641), (239, 537096), (276, 465094), (278, 461748), (322, 398652), (417, 307832), (478, 268548), (483, 265768), (552, 232547), (556, 230874), (644, 199326), (717, 179032), (834, 153916), (956, 134274), (966, 132884), (973, 131928), (1112, 115437), (1288, 99663), (1434, 89516), (1668, 76958), (1673, 76728), (1912, 67137), (1932, 66442), (1946, 65964), (2868, 44758), (2919, 43976), (3197, 40152), (3336, 38479), (3346, 38364), (3864, 33221), (3892, 32982), (5019, 25576), (5497, 23352), (5736, 22379), (5838, 21988), (6394, 20076), (6692, 19182), (7784, 16491), (9591, 13384), (10038, 12788), (10994, 11676)]