15316120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5393}}^1$

素因数の和:5475

約数の個数: 32

約数和(自身を含む): 34953120

約数和(自身を除く): 19637000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5393, 10786, 21572, 26965, 43144, 53930, 107860, 215720, 382903, 765806, 1531612, 1914515, 3063224, 3829030, 7658060, 15316120]

約数ペア:

[(1, 15316120), (2, 7658060), (4, 3829030), (5, 3063224), (8, 1914515), (10, 1531612), (20, 765806), (40, 382903), (71, 215720), (142, 107860), (284, 53930), (355, 43144), (568, 26965), (710, 21572), (1420, 10786), (2840, 5393)]