2156760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{1997}}^1$

素因数の和:2017

約数の個数: 64

約数和(自身を含む): 7192800

約数和(自身を除く): 5036040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 1997, 3994, 5991, 7988, 9985, 11982, 15976, 17973, 19970, 23964, 29955, 35946, 39940, 47928, 53919, 59910, 71892, 79880, 89865, 107838, 119820, 143784, 179730, 215676, 239640, 269595, 359460, 431352, 539190, 718920, 1078380, 2156760]

約数ペア:

[(1, 2156760), (2, 1078380), (3, 718920), (4, 539190), (5, 431352), (6, 359460), (8, 269595), (9, 239640), (10, 215676), (12, 179730), (15, 143784), (18, 119820), (20, 107838), (24, 89865), (27, 79880), (30, 71892), (36, 59910), (40, 53919), (45, 47928), (54, 39940), (60, 35946), (72, 29955), (90, 23964), (108, 19970), (120, 17973), (135, 15976), (180, 11982), (216, 9985), (270, 7988), (360, 5991), (540, 3994), (1080, 1997)]