68905120

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3391}}^1$

素因数の和:3533

約数の個数: 48

約数和(自身を含む): 164118528

約数和(自身を除く): 95213408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 3391, 4064, 5080, 6782, 10160, 13564, 16955, 20320, 27128, 33910, 54256, 67820, 108512, 135640, 271280, 430657, 542560, 861314, 1722628, 2153285, 3445256, 4306570, 6890512, 8613140, 13781024, 17226280, 34452560, 68905120]

約数ペア:

[(1, 68905120), (2, 34452560), (4, 17226280), (5, 13781024), (8, 8613140), (10, 6890512), (16, 4306570), (20, 3445256), (32, 2153285), (40, 1722628), (80, 861314), (127, 542560), (160, 430657), (254, 271280), (508, 135640), (635, 108512), (1016, 67820), (1270, 54256), (2032, 33910), (2540, 27128), (3391, 20320), (4064, 16955), (5080, 13564), (6782, 10160)]