30641240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109433}}^1$

素因数の和:109451

約数の個数: 32

約数和(自身を含む): 78792480

約数和(自身を除く): 48151240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 109433, 218866, 437732, 547165, 766031, 875464, 1094330, 1532062, 2188660, 3064124, 3830155, 4377320, 6128248, 7660310, 15320620, 30641240]

約数ペア:

[(1, 30641240), (2, 15320620), (4, 7660310), (5, 6128248), (7, 4377320), (8, 3830155), (10, 3064124), (14, 2188660), (20, 1532062), (28, 1094330), (35, 875464), (40, 766031), (56, 547165), (70, 437732), (140, 218866), (280, 109433)]