161155890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{255803}}^1$

素因数の和:255823

約数の個数: 48

約数和(自身を含む): 478865088

約数和(自身を除く): 317709198

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 255803, 511606, 767409, 1279015, 1534818, 1790621, 2302227, 2558030, 3581242, 3837045, 4604454, 5371863, 7674090, 8953105, 10743726, 11511135, 16115589, 17906210, 23022270, 26859315, 32231178, 53718630, 80577945, 161155890]

約数ペア:

[(1, 161155890), (2, 80577945), (3, 53718630), (5, 32231178), (6, 26859315), (7, 23022270), (9, 17906210), (10, 16115589), (14, 11511135), (15, 10743726), (18, 8953105), (21, 7674090), (30, 5371863), (35, 4604454), (42, 3837045), (45, 3581242), (63, 2558030), (70, 2302227), (90, 1790621), (105, 1534818), (126, 1279015), (210, 767409), (315, 511606), (630, 255803)]