255762080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{228359}}^1$

素因数の和:228381

約数の個数: 48

約数和(自身を含む): 690560640

約数和(自身を除く): 434798560

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, 228359, 456718, 913436, 1141795, 1598513, 1826872, 2283590, 3197026, 3653744, 4567180, 6394052, 7307488, 7992565, 9134360, 12788104, 15985130, 18268720, 25576208, 31970260, 36537440, 51152416, 63940520, 127881040, 255762080]

約数ペア:

[(1, 255762080), (2, 127881040), (4, 63940520), (5, 51152416), (7, 36537440), (8, 31970260), (10, 25576208), (14, 18268720), (16, 15985130), (20, 12788104), (28, 9134360), (32, 7992565), (35, 7307488), (40, 6394052), (56, 4567180), (70, 3653744), (80, 3197026), (112, 2283590), (140, 1826872), (160, 1598513), (224, 1141795), (280, 913436), (560, 456718), (1120, 228359)]