28308780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157271}}^1$

素因数の和:157286

約数の個数: 36

約数和(自身を含む): 85870512

約数和(自身を除く): 57561732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157271, 314542, 471813, 629084, 786355, 943626, 1415439, 1572710, 1887252, 2359065, 2830878, 3145420, 4718130, 5661756, 7077195, 9436260, 14154390, 28308780]

約数ペア:

[(1, 28308780), (2, 14154390), (3, 9436260), (4, 7077195), (5, 5661756), (6, 4718130), (9, 3145420), (10, 2830878), (12, 2359065), (15, 1887252), (18, 1572710), (20, 1415439), (30, 943626), (36, 786355), (45, 629084), (60, 471813), (90, 314542), (180, 157271)]