57711920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{401}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 154329408

約数和(自身を除く): 96617488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 257, 280, 401, 514, 560, 802, 1028, 1285, 1604, 1799, 2005, 2056, 2570, 2807, 3208, 3598, 4010, 4112, 5140, 5614, 6416, 7196, 8020, 8995, 10280, 11228, 14035, 14392, 16040, 17990, 20560, 22456, 28070, 28784, 32080, 35980, 44912, 56140, 71960, 103057, 112280, 143920, 206114, 224560, 412228, 515285, 721399, 824456, 1030570, 1442798, 1648912, 2061140, 2885596, 3606995, 4122280, 5771192, 7213990, 8244560, 11542384, 14427980, 28855960, 57711920]

約数ペア:

[(1, 57711920), (2, 28855960), (4, 14427980), (5, 11542384), (7, 8244560), (8, 7213990), (10, 5771192), (14, 4122280), (16, 3606995), (20, 2885596), (28, 2061140), (35, 1648912), (40, 1442798), (56, 1030570), (70, 824456), (80, 721399), (112, 515285), (140, 412228), (257, 224560), (280, 206114), (401, 143920), (514, 112280), (560, 103057), (802, 71960), (1028, 56140), (1285, 44912), (1604, 35980), (1799, 32080), (2005, 28784), (2056, 28070), (2570, 22456), (2807, 20560), (3208, 17990), (3598, 16040), (4010, 14392), (4112, 14035), (5140, 11228), (5614, 10280), (6416, 8995), (7196, 8020)]