51815220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1123}}^1$

素因数の和:1904

約数の個数: 48

約数和(自身を含む): 145400640

約数和(自身を除く): 93585420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 769, 1123, 1538, 2246, 2307, 3076, 3369, 3845, 4492, 4614, 5615, 6738, 7690, 9228, 11230, 11535, 13476, 15380, 16845, 22460, 23070, 33690, 46140, 67380, 863587, 1727174, 2590761, 3454348, 4317935, 5181522, 8635870, 10363044, 12953805, 17271740, 25907610, 51815220]

約数ペア:

[(1, 51815220), (2, 25907610), (3, 17271740), (4, 12953805), (5, 10363044), (6, 8635870), (10, 5181522), (12, 4317935), (15, 3454348), (20, 2590761), (30, 1727174), (60, 863587), (769, 67380), (1123, 46140), (1538, 33690), (2246, 23070), (2307, 22460), (3076, 16845), (3369, 15380), (3845, 13476), (4492, 11535), (4614, 11230), (5615, 9228), (6738, 7690)]