128305760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72901}}^1$

素因数の和:72927

約数の個数: 48

約数和(自身を含む): 330683472

約数和(自身を除く): 202377712

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 72901, 145802, 291604, 364505, 583208, 729010, 801911, 1166416, 1458020, 1603822, 2332832, 2916040, 3207644, 4009555, 5832080, 6415288, 8019110, 11664160, 12830576, 16038220, 25661152, 32076440, 64152880, 128305760]

約数ペア:

[(1, 128305760), (2, 64152880), (4, 32076440), (5, 25661152), (8, 16038220), (10, 12830576), (11, 11664160), (16, 8019110), (20, 6415288), (22, 5832080), (32, 4009555), (40, 3207644), (44, 2916040), (55, 2332832), (80, 1603822), (88, 1458020), (110, 1166416), (160, 801911), (176, 729010), (220, 583208), (352, 364505), (440, 291604), (880, 145802), (1760, 72901)]