278909460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{516499}}^1$

素因数の和:516517

約数の個数: 48

約数和(自身を含む): 867720000

約数和(自身を除く): 588810540

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, 516499, 1032998, 1549497, 2065996, 2582495, 3098994, 4648491, 5164990, 6197988, 7747485, 9296982, 10329980, 13945473, 15494970, 18593964, 23242455, 27890946, 30989940, 46484910, 55781892, 69727365, 92969820, 139454730, 278909460]

約数ペア:

[(1, 278909460), (2, 139454730), (3, 92969820), (4, 69727365), (5, 55781892), (6, 46484910), (9, 30989940), (10, 27890946), (12, 23242455), (15, 18593964), (18, 15494970), (20, 13945473), (27, 10329980), (30, 9296982), (36, 7747485), (45, 6197988), (54, 5164990), (60, 4648491), (90, 3098994), (108, 2582495), (135, 2065996), (180, 1549497), (270, 1032998), (540, 516499)]