15981460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72643}}^1$

素因数の和:72663

約数の個数: 24

約数和(自身を含む): 36612576

約数和(自身を除く): 20631116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 72643, 145286, 290572, 363215, 726430, 799073, 1452860, 1598146, 3196292, 3995365, 7990730, 15981460]

約数ペア:

[(1, 15981460), (2, 7990730), (4, 3995365), (5, 3196292), (10, 1598146), (11, 1452860), (20, 799073), (22, 726430), (44, 363215), (55, 290572), (110, 145286), (220, 72643)]