15203820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1823}}^1$

素因数の和:1974

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 27696660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 1823, 2085, 2780, 3646, 4170, 5469, 7292, 8340, 9115, 10938, 18230, 21876, 27345, 36460, 54690, 109380, 253397, 506794, 760191, 1013588, 1266985, 1520382, 2533970, 3040764, 3800955, 5067940, 7601910, 15203820]

約数ペア:

[(1, 15203820), (2, 7601910), (3, 5067940), (4, 3800955), (5, 3040764), (6, 2533970), (10, 1520382), (12, 1266985), (15, 1013588), (20, 760191), (30, 506794), (60, 253397), (139, 109380), (278, 54690), (417, 36460), (556, 27345), (695, 21876), (834, 18230), (1390, 10938), (1668, 9115), (1823, 8340), (2085, 7292), (2780, 5469), (3646, 4170)]