204894240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{426863}}^1$

素因数の和:426881

約数の個数: 48

約数和(自身を含む): 645418368

約数和(自身を除く): 440524128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 426863, 853726, 1280589, 1707452, 2134315, 2561178, 3414904, 4268630, 5122356, 6402945, 6829808, 8537260, 10244712, 12805890, 13659616, 17074520, 20489424, 25611780, 34149040, 40978848, 51223560, 68298080, 102447120, 204894240]

約数ペア:

[(1, 204894240), (2, 102447120), (3, 68298080), (4, 51223560), (5, 40978848), (6, 34149040), (8, 25611780), (10, 20489424), (12, 17074520), (15, 13659616), (16, 12805890), (20, 10244712), (24, 8537260), (30, 6829808), (32, 6402945), (40, 5122356), (48, 4268630), (60, 3414904), (80, 2561178), (96, 2134315), (120, 1707452), (160, 1280589), (240, 853726), (480, 426863)]