11878380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{21997}}^1$

素因数の和:22015

約数の個数: 48

約数和(自身を含む): 36956640

約数和(自身を除く): 25078260

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, 21997, 43994, 65991, 87988, 109985, 131982, 197973, 219970, 263964, 329955, 395946, 439940, 593919, 659910, 791892, 989865, 1187838, 1319820, 1979730, 2375676, 2969595, 3959460, 5939190, 11878380]

約数ペア:

[(1, 11878380), (2, 5939190), (3, 3959460), (4, 2969595), (5, 2375676), (6, 1979730), (9, 1319820), (10, 1187838), (12, 989865), (15, 791892), (18, 659910), (20, 593919), (27, 439940), (30, 395946), (36, 329955), (45, 263964), (54, 219970), (60, 197973), (90, 131982), (108, 109985), (135, 87988), (180, 65991), (270, 43994), (540, 21997)]