890640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1237}}^1$

素因数の和:1256

約数の個数: 60

約数和(自身を含む): 2993484

約数和(自身を除く): 2102844

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 1237, 2474, 3711, 4948, 6185, 7422, 9896, 11133, 12370, 14844, 18555, 19792, 22266, 24740, 29688, 37110, 44532, 49480, 55665, 59376, 74220, 89064, 98960, 111330, 148440, 178128, 222660, 296880, 445320, 890640]

約数ペア:

[(1, 890640), (2, 445320), (3, 296880), (4, 222660), (5, 178128), (6, 148440), (8, 111330), (9, 98960), (10, 89064), (12, 74220), (15, 59376), (16, 55665), (18, 49480), (20, 44532), (24, 37110), (30, 29688), (36, 24740), (40, 22266), (45, 19792), (48, 18555), (60, 14844), (72, 12370), (80, 11133), (90, 9896), (120, 7422), (144, 6185), (180, 4948), (240, 3711), (360, 2474), (720, 1237)]