290878920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{807997}}^1$

素因数の和:808014

約数の個数: 48

約数和(自身を含む): 945357660

約数和(自身を除く): 654478740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 807997, 1615994, 2423991, 3231988, 4039985, 4847982, 6463976, 7271973, 8079970, 9695964, 12119955, 14543946, 16159940, 19391928, 24239910, 29087892, 32319880, 36359865, 48479820, 58175784, 72719730, 96959640, 145439460, 290878920]

約数ペア:

[(1, 290878920), (2, 145439460), (3, 96959640), (4, 72719730), (5, 58175784), (6, 48479820), (8, 36359865), (9, 32319880), (10, 29087892), (12, 24239910), (15, 19391928), (18, 16159940), (20, 14543946), (24, 12119955), (30, 9695964), (36, 8079970), (40, 7271973), (45, 6463976), (60, 4847982), (72, 4039985), (90, 3231988), (120, 2423991), (180, 1615994), (360, 807997)]