2180910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 5281920

約数和(自身を除く): 3101010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 523, 695, 834, 1046, 1390, 1569, 2085, 2615, 3138, 4170, 5230, 7845, 15690, 72697, 145394, 218091, 363485, 436182, 726970, 1090455, 2180910]

約数ペア:

[(1, 2180910), (2, 1090455), (3, 726970), (5, 436182), (6, 363485), (10, 218091), (15, 145394), (30, 72697), (139, 15690), (278, 7845), (417, 5230), (523, 4170), (695, 3138), (834, 2615), (1046, 2085), (1390, 1569)]