28007820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{155599}}^1$

素因数の和:155614

約数の個数: 36

約数和(自身を含む): 84957600

約数和(自身を除く): 56949780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 155599, 311198, 466797, 622396, 777995, 933594, 1400391, 1555990, 1867188, 2333985, 2800782, 3111980, 4667970, 5601564, 7001955, 9335940, 14003910, 28007820]

約数ペア:

[(1, 28007820), (2, 14003910), (3, 9335940), (4, 7001955), (5, 5601564), (6, 4667970), (9, 3111980), (10, 2800782), (12, 2333985), (15, 1867188), (18, 1555990), (20, 1400391), (30, 933594), (36, 777995), (45, 622396), (60, 466797), (90, 311198), (180, 155599)]