128781390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{857}}^1\times {\mathrm{5009}}^1$

素因数の和:5876

約数の個数: 32

約数和(自身を含む): 309497760

約数和(自身を除く): 180716370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 857, 1714, 2571, 4285, 5009, 5142, 8570, 10018, 12855, 15027, 25045, 25710, 30054, 50090, 75135, 150270, 4292713, 8585426, 12878139, 21463565, 25756278, 42927130, 64390695, 128781390]

約数ペア:

[(1, 128781390), (2, 64390695), (3, 42927130), (5, 25756278), (6, 21463565), (10, 12878139), (15, 8585426), (30, 4292713), (857, 150270), (1714, 75135), (2571, 50090), (4285, 30054), (5009, 25710), (5142, 25045), (8570, 15027), (10018, 12855)]