1981069380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{3668647}}^1$

素因数の和:3668665

約数の個数: 48

約数和(自身を含む): 6163328640

約数和(自身を除く): 4182259260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 3668647, 7337294, 11005941, 14674588, 18343235, 22011882, 33017823, 36686470, 44023764, 55029705, 66035646, 73372940, 99053469, 110059410, 132071292, 165089115, 198106938, 220118820, 330178230, 396213876, 495267345, 660356460, 990534690, 1981069380]

約数ペア:

[(1, 1981069380), (2, 990534690), (3, 660356460), (4, 495267345), (5, 396213876), (6, 330178230), (9, 220118820), (10, 198106938), (12, 165089115), (15, 132071292), (18, 110059410), (20, 99053469), (27, 73372940), (30, 66035646), (36, 55029705), (45, 44023764), (54, 36686470), (60, 33017823), (90, 22011882), (108, 18343235), (135, 14674588), (180, 11005941), (270, 7337294), (540, 3668647)]