28278660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{937}}^1$

素因数の和:1452

約数の個数: 48

約数和(自身を含む): 79422336

約数和(自身を除く): 51143676

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 503, 937, 1006, 1509, 1874, 2012, 2515, 2811, 3018, 3748, 4685, 5030, 5622, 6036, 7545, 9370, 10060, 11244, 14055, 15090, 18740, 28110, 30180, 56220, 471311, 942622, 1413933, 1885244, 2356555, 2827866, 4713110, 5655732, 7069665, 9426220, 14139330, 28278660]

約数ペア:

[(1, 28278660), (2, 14139330), (3, 9426220), (4, 7069665), (5, 5655732), (6, 4713110), (10, 2827866), (12, 2356555), (15, 1885244), (20, 1413933), (30, 942622), (60, 471311), (503, 56220), (937, 30180), (1006, 28110), (1509, 18740), (1874, 15090), (2012, 14055), (2515, 11244), (2811, 10060), (3018, 9370), (3748, 7545), (4685, 6036), (5030, 5622)]