280337940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1557433}}^1$

素因数の和:1557448

約数の個数: 36

約数和(自身を含む): 850358964

約数和(自身を除く): 570021024

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1557433, 3114866, 4672299, 6229732, 7787165, 9344598, 14016897, 15574330, 18689196, 23361495, 28033794, 31148660, 46722990, 56067588, 70084485, 93445980, 140168970, 280337940]

約数ペア:

[(1, 280337940), (2, 140168970), (3, 93445980), (4, 70084485), (5, 56067588), (6, 46722990), (9, 31148660), (10, 28033794), (12, 23361495), (15, 18689196), (18, 15574330), (20, 14016897), (30, 9344598), (36, 7787165), (45, 6229732), (60, 4672299), (90, 3114866), (180, 1557433)]