1980781272

素因数分解:

$2^3\times 3^2\times {\mathrm{27510851}}^1$

素因数の和:27510863

約数の個数: 24

約数和(自身を含む): 5364616140

約数和(自身を除く): 3383834868

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 27510851, 55021702, 82532553, 110043404, 165065106, 220086808, 247597659, 330130212, 495195318, 660260424, 990390636, 1980781272]

約数ペア:

[(1, 1980781272), (2, 990390636), (3, 660260424), (4, 495195318), (6, 330130212), (8, 247597659), (9, 220086808), (12, 165065106), (18, 110043404), (24, 82532553), (36, 55021702), (72, 27510851)]