72005940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{400033}}^1$

素因数の和:400048

約数の個数: 36

約数和(自身を含む): 218418564

約数和(自身を除く): 146412624

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 400033, 800066, 1200099, 1600132, 2000165, 2400198, 3600297, 4000330, 4800396, 6000495, 7200594, 8000660, 12000990, 14401188, 18001485, 24001980, 36002970, 72005940]

約数ペア:

[(1, 72005940), (2, 36002970), (3, 24001980), (4, 18001485), (5, 14401188), (6, 12000990), (9, 8000660), (10, 7200594), (12, 6000495), (15, 4800396), (18, 4000330), (20, 3600297), (30, 2400198), (36, 2000165), (45, 1600132), (60, 1200099), (90, 800066), (180, 400033)]