16945140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2591}}^1$

素因数の和:2712

約数の個数: 48

約数和(自身を含む): 47900160

約数和(自身を除く): 30955020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 2591, 3270, 5182, 6540, 7773, 10364, 12955, 15546, 25910, 31092, 38865, 51820, 77730, 155460, 282419, 564838, 847257, 1129676, 1412095, 1694514, 2824190, 3389028, 4236285, 5648380, 8472570, 16945140]

約数ペア:

[(1, 16945140), (2, 8472570), (3, 5648380), (4, 4236285), (5, 3389028), (6, 2824190), (10, 1694514), (12, 1412095), (15, 1129676), (20, 847257), (30, 564838), (60, 282419), (109, 155460), (218, 77730), (327, 51820), (436, 38865), (545, 31092), (654, 25910), (1090, 15546), (1308, 12955), (1635, 10364), (2180, 7773), (2591, 6540), (3270, 5182)]