80238510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81049}}^1$

素因数の和:81073

約数の個数: 48

約数和(自身を含む): 227588400

約数和(自身を除く): 147349890

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 81049, 162098, 243147, 405245, 486294, 729441, 810490, 891539, 1215735, 1458882, 1783078, 2431470, 2674617, 3647205, 4457695, 5349234, 7294410, 8023851, 8915390, 13373085, 16047702, 26746170, 40119255, 80238510]

約数ペア:

[(1, 80238510), (2, 40119255), (3, 26746170), (5, 16047702), (6, 13373085), (9, 8915390), (10, 8023851), (11, 7294410), (15, 5349234), (18, 4457695), (22, 3647205), (30, 2674617), (33, 2431470), (45, 1783078), (55, 1458882), (66, 1215735), (90, 891539), (99, 810490), (110, 729441), (165, 486294), (198, 405245), (330, 243147), (495, 162098), (990, 81049)]