320230905

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{857}}^1\times {\mathrm{859}}^1$

素因数の和:1753

約数の個数: 32

約数和(自身を含む): 531273600

約数和(自身を除く): 211042695

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 857, 859, 2571, 2577, 4285, 4295, 12855, 12885, 24853, 24911, 74559, 74733, 124265, 124555, 372795, 373665, 736163, 2208489, 3680815, 11042445, 21348727, 64046181, 106743635, 320230905]

約数ペア:

[(1, 320230905), (3, 106743635), (5, 64046181), (15, 21348727), (29, 11042445), (87, 3680815), (145, 2208489), (435, 736163), (857, 373665), (859, 372795), (2571, 124555), (2577, 124265), (4285, 74733), (4295, 74559), (12855, 24911), (12885, 24853)]