280074420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1555969}}^1$

素因数の和:1555984

約数の個数: 36

約数和(自身を含む): 849559620

約数和(自身を除く): 569485200

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1555969, 3111938, 4667907, 6223876, 7779845, 9335814, 14003721, 15559690, 18671628, 23339535, 28007442, 31119380, 46679070, 56014884, 70018605, 93358140, 140037210, 280074420]

約数ペア:

[(1, 280074420), (2, 140037210), (3, 93358140), (4, 70018605), (5, 56014884), (6, 46679070), (9, 31119380), (10, 28007442), (12, 23339535), (15, 18671628), (18, 15559690), (20, 14003721), (30, 9335814), (36, 7779845), (45, 6223876), (60, 4667907), (90, 3111938), (180, 1555969)]