180147128

素因数分解:

$2^3\times 7^2\times {\mathrm{181}}^1\times {\mathrm{2539}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 395249400

約数和(自身を除く): 215102272

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 181, 196, 362, 392, 724, 1267, 1448, 2534, 2539, 5068, 5078, 8869, 10136, 10156, 17738, 17773, 20312, 35476, 35546, 70952, 71092, 124411, 142184, 248822, 459559, 497644, 919118, 995288, 1838236, 3216913, 3676472, 6433826, 12867652, 22518391, 25735304, 45036782, 90073564, 180147128]

約数ペア:

[(1, 180147128), (2, 90073564), (4, 45036782), (7, 25735304), (8, 22518391), (14, 12867652), (28, 6433826), (49, 3676472), (56, 3216913), (98, 1838236), (181, 995288), (196, 919118), (362, 497644), (392, 459559), (724, 248822), (1267, 142184), (1448, 124411), (2534, 71092), (2539, 70952), (5068, 35546), (5078, 35476), (8869, 20312), (10136, 17773), (10156, 17738)]