30247720

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3391}}^1$

素因数の和:3625

約数の個数: 32

約数和(自身を含む): 68382720

約数和(自身を除く): 38135000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 3391, 4460, 6782, 8920, 13564, 16955, 27128, 33910, 67820, 135640, 756193, 1512386, 3024772, 3780965, 6049544, 7561930, 15123860, 30247720]

約数ペア:

[(1, 30247720), (2, 15123860), (4, 7561930), (5, 6049544), (8, 3780965), (10, 3024772), (20, 1512386), (40, 756193), (223, 135640), (446, 67820), (892, 33910), (1115, 27128), (1784, 16955), (2230, 13564), (3391, 8920), (4460, 6782)]