128609220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2143487}}^1$

素因数の和:2143499

約数の個数: 24

約数和(自身を含む): 360105984

約数和(自身を除く): 231496764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2143487, 4286974, 6430461, 8573948, 10717435, 12860922, 21434870, 25721844, 32152305, 42869740, 64304610, 128609220]

約数ペア:

[(1, 128609220), (2, 64304610), (3, 42869740), (4, 32152305), (5, 25721844), (6, 21434870), (10, 12860922), (12, 10717435), (15, 8573948), (20, 6430461), (30, 4286974), (60, 2143487)]