128268540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{712603}}^1$

素因数の和:712618

約数の個数: 36

約数和(自身を含む): 389081784

約数和(自身を除く): 260813244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 712603, 1425206, 2137809, 2850412, 3563015, 4275618, 6413427, 7126030, 8551236, 10689045, 12826854, 14252060, 21378090, 25653708, 32067135, 42756180, 64134270, 128268540]

約数ペア:

[(1, 128268540), (2, 64134270), (3, 42756180), (4, 32067135), (5, 25653708), (6, 21378090), (9, 14252060), (10, 12826854), (12, 10689045), (15, 8551236), (18, 7126030), (20, 6413427), (30, 4275618), (36, 3563015), (45, 2850412), (60, 2137809), (90, 1425206), (180, 712603)]