78771240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{218809}}^1$

素因数の和:218826

約数の個数: 48

約数和(自身を含む): 256007700

約数和(自身を除く): 177236460

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, 218809, 437618, 656427, 875236, 1094045, 1312854, 1750472, 1969281, 2188090, 2625708, 3282135, 3938562, 4376180, 5251416, 6564270, 7877124, 8752360, 9846405, 13128540, 15754248, 19692810, 26257080, 39385620, 78771240]

約数ペア:

[(1, 78771240), (2, 39385620), (3, 26257080), (4, 19692810), (5, 15754248), (6, 13128540), (8, 9846405), (9, 8752360), (10, 7877124), (12, 6564270), (15, 5251416), (18, 4376180), (20, 3938562), (24, 3282135), (30, 2625708), (36, 2188090), (40, 1969281), (45, 1750472), (60, 1312854), (72, 1094045), (90, 875236), (120, 656427), (180, 437618), (360, 218809)]