538380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{997}}^1$

素因数の和:1015

約数の個数: 48

約数和(自身を含む): 1676640

約数和(自身を除く): 1138260

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, 997, 1994, 2991, 3988, 4985, 5982, 8973, 9970, 11964, 14955, 17946, 19940, 26919, 29910, 35892, 44865, 53838, 59820, 89730, 107676, 134595, 179460, 269190, 538380]

約数ペア:

[(1, 538380), (2, 269190), (3, 179460), (4, 134595), (5, 107676), (6, 89730), (9, 59820), (10, 53838), (12, 44865), (15, 35892), (18, 29910), (20, 26919), (27, 19940), (30, 17946), (36, 14955), (45, 11964), (54, 9970), (60, 8973), (90, 5982), (108, 4985), (135, 3988), (180, 2991), (270, 1994), (540, 997)]