128574390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{612259}}^1$

素因数の和:612276

約数の個数: 32

約数和(自身を含む): 352661760

約数和(自身を除く): 224087370

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 612259, 1224518, 1836777, 3061295, 3673554, 4285813, 6122590, 8571626, 9183885, 12857439, 18367770, 21429065, 25714878, 42858130, 64287195, 128574390]

約数ペア:

[(1, 128574390), (2, 64287195), (3, 42858130), (5, 25714878), (6, 21429065), (7, 18367770), (10, 12857439), (14, 9183885), (15, 8571626), (21, 6122590), (30, 4285813), (35, 3673554), (42, 3061295), (70, 1836777), (105, 1224518), (210, 612259)]