278090640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{386237}}^1$

素因数の和:386256

約数の個数: 60

約数和(自身を含む): 933923484

約数和(自身を除く): 655832844

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, 386237, 772474, 1158711, 1544948, 1931185, 2317422, 3089896, 3476133, 3862370, 4634844, 5793555, 6179792, 6952266, 7724740, 9269688, 11587110, 13904532, 15449480, 17380665, 18539376, 23174220, 27809064, 30898960, 34761330, 46348440, 55618128, 69522660, 92696880, 139045320, 278090640]

約数ペア:

[(1, 278090640), (2, 139045320), (3, 92696880), (4, 69522660), (5, 55618128), (6, 46348440), (8, 34761330), (9, 30898960), (10, 27809064), (12, 23174220), (15, 18539376), (16, 17380665), (18, 15449480), (20, 13904532), (24, 11587110), (30, 9269688), (36, 7724740), (40, 6952266), (45, 6179792), (48, 5793555), (60, 4634844), (72, 3862370), (80, 3476133), (90, 3089896), (120, 2317422), (144, 1931185), (180, 1544948), (240, 1158711), (360, 772474), (720, 386237)]