128435940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{713533}}^1$

素因数の和:713548

約数の個数: 36

約数和(自身を含む): 389589564

約数和(自身を除く): 261153624

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 713533, 1427066, 2140599, 2854132, 3567665, 4281198, 6421797, 7135330, 8562396, 10702995, 12843594, 14270660, 21405990, 25687188, 32108985, 42811980, 64217970, 128435940]

約数ペア:

[(1, 128435940), (2, 64217970), (3, 42811980), (4, 32108985), (5, 25687188), (6, 21405990), (9, 14270660), (10, 12843594), (12, 10702995), (15, 8562396), (18, 7135330), (20, 6421797), (30, 4281198), (36, 3567665), (45, 2854132), (60, 2140599), (90, 1427066), (180, 713533)]