16611760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 43211520

約数和(自身を除く): 26599760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 439, 440, 473, 688, 860, 878, 880, 946, 1720, 1756, 1892, 2195, 2365, 3440, 3512, 3784, 4390, 4730, 4829, 7024, 7568, 8780, 9460, 9658, 17560, 18877, 18920, 19316, 24145, 35120, 37754, 37840, 38632, 48290, 75508, 77264, 94385, 96580, 151016, 188770, 193160, 207647, 302032, 377540, 386320, 415294, 755080, 830588, 1038235, 1510160, 1661176, 2076470, 3322352, 4152940, 8305880, 16611760]

約数ペア:

[(1, 16611760), (2, 8305880), (4, 4152940), (5, 3322352), (8, 2076470), (10, 1661176), (11, 1510160), (16, 1038235), (20, 830588), (22, 755080), (40, 415294), (43, 386320), (44, 377540), (55, 302032), (80, 207647), (86, 193160), (88, 188770), (110, 151016), (172, 96580), (176, 94385), (215, 77264), (220, 75508), (344, 48290), (430, 38632), (439, 37840), (440, 37754), (473, 35120), (688, 24145), (860, 19316), (878, 18920), (880, 18877), (946, 17560), (1720, 9658), (1756, 9460), (1892, 8780), (2195, 7568), (2365, 7024), (3440, 4829), (3512, 4730), (3784, 4390)]