1520762920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{717341}}^1$

素因数の和:717405

約数の個数: 32

約数和(自身を含む): 3486282120

約数和(自身を除く): 1965519200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 717341, 1434682, 2869364, 3586705, 5738728, 7173410, 14346820, 28693640, 38019073, 76038146, 152076292, 190095365, 304152584, 380190730, 760381460, 1520762920]

約数ペア:

[(1, 1520762920), (2, 760381460), (4, 380190730), (5, 304152584), (8, 190095365), (10, 152076292), (20, 76038146), (40, 38019073), (53, 28693640), (106, 14346820), (212, 7173410), (265, 5738728), (424, 3586705), (530, 2869364), (1060, 1434682), (2120, 717341)]