12744760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1979}}^1$

素因数の和:2020

約数の個数: 64

約数和(自身を含む): 34214400

約数和(自身を除く): 21469640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 1979, 3220, 3958, 6440, 7916, 9895, 13853, 15832, 19790, 27706, 39580, 45517, 55412, 69265, 79160, 91034, 110824, 138530, 182068, 227585, 277060, 318619, 364136, 455170, 554120, 637238, 910340, 1274476, 1593095, 1820680, 2548952, 3186190, 6372380, 12744760]

約数ペア:

[(1, 12744760), (2, 6372380), (4, 3186190), (5, 2548952), (7, 1820680), (8, 1593095), (10, 1274476), (14, 910340), (20, 637238), (23, 554120), (28, 455170), (35, 364136), (40, 318619), (46, 277060), (56, 227585), (70, 182068), (92, 138530), (115, 110824), (140, 91034), (161, 79160), (184, 69265), (230, 55412), (280, 45517), (322, 39580), (460, 27706), (644, 19790), (805, 15832), (920, 13853), (1288, 9895), (1610, 7916), (1979, 6440), (3220, 3958)]