247645920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{515929}}^1$

素因数の和:515947

約数の個数: 48

約数和(自身を含む): 780086160

約数和(自身を除く): 532440240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 515929, 1031858, 1547787, 2063716, 2579645, 3095574, 4127432, 5159290, 6191148, 7738935, 8254864, 10318580, 12382296, 15477870, 16509728, 20637160, 24764592, 30955740, 41274320, 49529184, 61911480, 82548640, 123822960, 247645920]

約数ペア:

[(1, 247645920), (2, 123822960), (3, 82548640), (4, 61911480), (5, 49529184), (6, 41274320), (8, 30955740), (10, 24764592), (12, 20637160), (15, 16509728), (16, 15477870), (20, 12382296), (24, 10318580), (30, 8254864), (32, 7738935), (40, 6191148), (48, 5159290), (60, 4127432), (80, 3095574), (96, 2579645), (120, 2063716), (160, 1547787), (240, 1031858), (480, 515929)]