181001440

素因数分解:

$2^5\times 5^1\times {\mathrm{1131259}}^1$

素因数の和:1131274

約数の個数: 24

約数和(自身を含む): 427616280

約数和(自身を除く): 246614840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1131259, 2262518, 4525036, 5656295, 9050072, 11312590, 18100144, 22625180, 36200288, 45250360, 90500720, 181001440]

約数ペア:

[(1, 181001440), (2, 90500720), (4, 45250360), (5, 36200288), (8, 22625180), (10, 18100144), (16, 11312590), (20, 9050072), (32, 5656295), (40, 4525036), (80, 2262518), (160, 1131259)]