80380740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121789}}^1$

素因数の和:121812

約数の個数: 48

約数和(自身を含む): 245528640

約数和(自身を除く): 165147900

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 121789, 243578, 365367, 487156, 608945, 730734, 1217890, 1339679, 1461468, 1826835, 2435780, 2679358, 3653670, 4019037, 5358716, 6698395, 7307340, 8038074, 13396790, 16076148, 20095185, 26793580, 40190370, 80380740]

約数ペア:

[(1, 80380740), (2, 40190370), (3, 26793580), (4, 20095185), (5, 16076148), (6, 13396790), (10, 8038074), (11, 7307340), (12, 6698395), (15, 5358716), (20, 4019037), (22, 3653670), (30, 2679358), (33, 2435780), (44, 1826835), (55, 1461468), (60, 1339679), (66, 1217890), (110, 730734), (132, 608945), (165, 487156), (220, 365367), (330, 243578), (660, 121789)]