15721036120

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{511087}}^1$

素因数の和:511867

約数の個数: 32

約数和(自身を含む): 35418398400

約数和(自身を除く): 19697362280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 1538, 3076, 3845, 6152, 7690, 15380, 30760, 511087, 1022174, 2044348, 2555435, 4088696, 5110870, 10221740, 20443480, 393025903, 786051806, 1572103612, 1965129515, 3144207224, 3930259030, 7860518060, 15721036120]

約数ペア:

[(1, 15721036120), (2, 7860518060), (4, 3930259030), (5, 3144207224), (8, 1965129515), (10, 1572103612), (20, 786051806), (40, 393025903), (769, 20443480), (1538, 10221740), (3076, 5110870), (3845, 4088696), (6152, 2555435), (7690, 2044348), (15380, 1022174), (30760, 511087)]