28713060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{593}}^1$

素因数の和:877

約数の個数: 72

約数和(自身を含む): 87567480

約数和(自身を除く): 58854420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 593, 807, 1076, 1186, 1345, 1614, 1779, 2372, 2421, 2690, 2965, 3228, 3558, 4035, 4842, 5337, 5380, 5930, 7116, 8070, 8895, 9684, 10674, 11860, 12105, 16140, 17790, 21348, 24210, 26685, 35580, 48420, 53370, 106740, 159517, 319034, 478551, 638068, 797585, 957102, 1435653, 1595170, 1914204, 2392755, 2871306, 3190340, 4785510, 5742612, 7178265, 9571020, 14356530, 28713060]

約数ペア:

[(1, 28713060), (2, 14356530), (3, 9571020), (4, 7178265), (5, 5742612), (6, 4785510), (9, 3190340), (10, 2871306), (12, 2392755), (15, 1914204), (18, 1595170), (20, 1435653), (30, 957102), (36, 797585), (45, 638068), (60, 478551), (90, 319034), (180, 159517), (269, 106740), (538, 53370), (593, 48420), (807, 35580), (1076, 26685), (1186, 24210), (1345, 21348), (1614, 17790), (1779, 16140), (2372, 12105), (2421, 11860), (2690, 10674), (2965, 9684), (3228, 8895), (3558, 8070), (4035, 7116), (4842, 5930), (5337, 5380)]