11215120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{2861}}^1$

素因数の和:2888

約数の個数: 60

約数和(自身を含む): 30342924

約数和(自身を除く): 19127804

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 2861, 3920, 5722, 11444, 14305, 20027, 22888, 28610, 40054, 45776, 57220, 80108, 100135, 114440, 140189, 160216, 200270, 228880, 280378, 320432, 400540, 560756, 700945, 801080, 1121512, 1401890, 1602160, 2243024, 2803780, 5607560, 11215120]

約数ペア:

[(1, 11215120), (2, 5607560), (4, 2803780), (5, 2243024), (7, 1602160), (8, 1401890), (10, 1121512), (14, 801080), (16, 700945), (20, 560756), (28, 400540), (35, 320432), (40, 280378), (49, 228880), (56, 200270), (70, 160216), (80, 140189), (98, 114440), (112, 100135), (140, 80108), (196, 57220), (245, 45776), (280, 40054), (392, 28610), (490, 22888), (560, 20027), (784, 14305), (980, 11444), (1960, 5722), (2861, 3920)]