78783480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{218843}}^1$

素因数の和:218860

約数の個数: 48

約数和(自身を含む): 256047480

約数和(自身を除く): 177264000

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, 218843, 437686, 656529, 875372, 1094215, 1313058, 1750744, 1969587, 2188430, 2626116, 3282645, 3939174, 4376860, 5252232, 6565290, 7878348, 8753720, 9847935, 13130580, 15756696, 19695870, 26261160, 39391740, 78783480]

約数ペア:

[(1, 78783480), (2, 39391740), (3, 26261160), (4, 19695870), (5, 15756696), (6, 13130580), (8, 9847935), (9, 8753720), (10, 7878348), (12, 6565290), (15, 5252232), (18, 4376860), (20, 3939174), (24, 3282645), (30, 2626116), (36, 2188430), (40, 1969587), (45, 1750744), (60, 1313058), (72, 1094215), (90, 875372), (120, 656529), (180, 437686), (360, 218843)]