71537940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397433}}^1$

素因数の和:397448

約数の個数: 36

約数和(自身を含む): 216998964

約数和(自身を除く): 145461024

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397433, 794866, 1192299, 1589732, 1987165, 2384598, 3576897, 3974330, 4769196, 5961495, 7153794, 7948660, 11922990, 14307588, 17884485, 23845980, 35768970, 71537940]

約数ペア:

[(1, 71537940), (2, 35768970), (3, 23845980), (4, 17884485), (5, 14307588), (6, 11922990), (9, 7948660), (10, 7153794), (12, 5961495), (15, 4769196), (18, 3974330), (20, 3576897), (30, 2384598), (36, 1987165), (45, 1589732), (60, 1192299), (90, 794866), (180, 397433)]