181340320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{161911}}^1$

素因数の和:161933

約数の個数: 48

約数和(自身を含む): 489621888

約数和(自身を除く): 308281568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 161911, 323822, 647644, 809555, 1133377, 1295288, 1619110, 2266754, 2590576, 3238220, 4533508, 5181152, 5666885, 6476440, 9067016, 11333770, 12952880, 18134032, 22667540, 25905760, 36268064, 45335080, 90670160, 181340320]

約数ペア:

[(1, 181340320), (2, 90670160), (4, 45335080), (5, 36268064), (7, 25905760), (8, 22667540), (10, 18134032), (14, 12952880), (16, 11333770), (20, 9067016), (28, 6476440), (32, 5666885), (35, 5181152), (40, 4533508), (56, 3238220), (70, 2590576), (80, 2266754), (112, 1619110), (140, 1295288), (160, 1133377), (224, 809555), (280, 647644), (560, 323822), (1120, 161911)]