28615980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{937}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 80367840

約数和(自身を除く): 51751860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 509, 937, 1018, 1527, 1874, 2036, 2545, 2811, 3054, 3748, 4685, 5090, 5622, 6108, 7635, 9370, 10180, 11244, 14055, 15270, 18740, 28110, 30540, 56220, 476933, 953866, 1430799, 1907732, 2384665, 2861598, 4769330, 5723196, 7153995, 9538660, 14307990, 28615980]

約数ペア:

[(1, 28615980), (2, 14307990), (3, 9538660), (4, 7153995), (5, 5723196), (6, 4769330), (10, 2861598), (12, 2384665), (15, 1907732), (20, 1430799), (30, 953866), (60, 476933), (509, 56220), (937, 30540), (1018, 28110), (1527, 18740), (1874, 15270), (2036, 14055), (2545, 11244), (2811, 10180), (3054, 9370), (3748, 7635), (4685, 6108), (5090, 5622)]