30831480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{85643}}^1$

素因数の和:85660

約数の個数: 48

約数和(自身を含む): 100203480

約数和(自身を除く): 69372000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 85643, 171286, 256929, 342572, 428215, 513858, 685144, 770787, 856430, 1027716, 1284645, 1541574, 1712860, 2055432, 2569290, 3083148, 3425720, 3853935, 5138580, 6166296, 7707870, 10277160, 15415740, 30831480]

約数ペア:

[(1, 30831480), (2, 15415740), (3, 10277160), (4, 7707870), (5, 6166296), (6, 5138580), (8, 3853935), (9, 3425720), (10, 3083148), (12, 2569290), (15, 2055432), (18, 1712860), (20, 1541574), (24, 1284645), (30, 1027716), (36, 856430), (40, 770787), (45, 685144), (60, 513858), (72, 428215), (90, 342572), (120, 256929), (180, 171286), (360, 85643)]