160128865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 239500800

約数和(自身を除く): 79371935

約数列:

[1, 5, 13, 17, 19, 29, 65, 85, 95, 145, 221, 247, 263, 323, 377, 493, 551, 1105, 1235, 1315, 1615, 1885, 2465, 2755, 3419, 4199, 4471, 4997, 6409, 7163, 7627, 9367, 17095, 20995, 22355, 24985, 32045, 35815, 38135, 46835, 58123, 64961, 84949, 99151, 121771, 129659, 144913, 290615, 324805, 424745, 495755, 608855, 648295, 724565, 1104337, 1685567, 1883869, 2463521, 5521685, 8427835, 9419345, 12317605, 32025773, 160128865]

約数ペア:

[(1, 160128865), (5, 32025773), (13, 12317605), (17, 9419345), (19, 8427835), (29, 5521685), (65, 2463521), (85, 1883869), (95, 1685567), (145, 1104337), (221, 724565), (247, 648295), (263, 608855), (323, 495755), (377, 424745), (493, 324805), (551, 290615), (1105, 144913), (1235, 129659), (1315, 121771), (1615, 99151), (1885, 84949), (2465, 64961), (2755, 58123), (3419, 46835), (4199, 38135), (4471, 35815), (4997, 32045), (6409, 24985), (7163, 22355), (7627, 20995), (9367, 17095)]