278532720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{386851}}^1$

素因数の和:386870

約数の個数: 60

約数和(自身を含む): 935408136

約数和(自身を除く): 656875416

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, 386851, 773702, 1160553, 1547404, 1934255, 2321106, 3094808, 3481659, 3868510, 4642212, 5802765, 6189616, 6963318, 7737020, 9284424, 11605530, 13926636, 15474040, 17408295, 18568848, 23211060, 27853272, 30948080, 34816590, 46422120, 55706544, 69633180, 92844240, 139266360, 278532720]

約数ペア:

[(1, 278532720), (2, 139266360), (3, 92844240), (4, 69633180), (5, 55706544), (6, 46422120), (8, 34816590), (9, 30948080), (10, 27853272), (12, 23211060), (15, 18568848), (16, 17408295), (18, 15474040), (20, 13926636), (24, 11605530), (30, 9284424), (36, 7737020), (40, 6963318), (45, 6189616), (48, 5802765), (60, 4642212), (72, 3868510), (80, 3481659), (90, 3094808), (120, 2321106), (144, 1934255), (180, 1547404), (240, 1160553), (360, 773702), (720, 386851)]