78531480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{218143}}^1$

素因数の和:218160

約数の個数: 48

約数和(自身を含む): 255228480

約数和(自身を除く): 176697000

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, 218143, 436286, 654429, 872572, 1090715, 1308858, 1745144, 1963287, 2181430, 2617716, 3272145, 3926574, 4362860, 5235432, 6544290, 7853148, 8725720, 9816435, 13088580, 15706296, 19632870, 26177160, 39265740, 78531480]

約数ペア:

[(1, 78531480), (2, 39265740), (3, 26177160), (4, 19632870), (5, 15706296), (6, 13088580), (8, 9816435), (9, 8725720), (10, 7853148), (12, 6544290), (15, 5235432), (18, 4362860), (20, 3926574), (24, 3272145), (30, 2617716), (36, 2181430), (40, 1963287), (45, 1745144), (60, 1308858), (72, 1090715), (90, 872572), (120, 654429), (180, 436286), (360, 218143)]