120990880

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3391}}^1$

素因数の和:3629

約数の個数: 48

約数和(自身を含む): 287207424

約数和(自身を除く): 166216544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 446, 892, 1115, 1784, 2230, 3391, 3568, 4460, 6782, 7136, 8920, 13564, 16955, 17840, 27128, 33910, 35680, 54256, 67820, 108512, 135640, 271280, 542560, 756193, 1512386, 3024772, 3780965, 6049544, 7561930, 12099088, 15123860, 24198176, 30247720, 60495440, 120990880]

約数ペア:

[(1, 120990880), (2, 60495440), (4, 30247720), (5, 24198176), (8, 15123860), (10, 12099088), (16, 7561930), (20, 6049544), (32, 3780965), (40, 3024772), (80, 1512386), (160, 756193), (223, 542560), (446, 271280), (892, 135640), (1115, 108512), (1784, 67820), (2230, 54256), (3391, 35680), (3568, 33910), (4460, 27128), (6782, 17840), (7136, 16955), (8920, 13564)]