2581771380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{43159}}^1$

素因数の和:44168

約数の個数: 48

約数和(自身を含む): 7236378240

約数和(自身を除く): 4654606860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 997, 1994, 2991, 3988, 4985, 5982, 9970, 11964, 14955, 19940, 29910, 43159, 59820, 86318, 129477, 172636, 215795, 258954, 431590, 517908, 647385, 863180, 1294770, 2589540, 43029523, 86059046, 129088569, 172118092, 215147615, 258177138, 430295230, 516354276, 645442845, 860590460, 1290885690, 2581771380]

約数ペア:

[(1, 2581771380), (2, 1290885690), (3, 860590460), (4, 645442845), (5, 516354276), (6, 430295230), (10, 258177138), (12, 215147615), (15, 172118092), (20, 129088569), (30, 86059046), (60, 43029523), (997, 2589540), (1994, 1294770), (2991, 863180), (3988, 647385), (4985, 517908), (5982, 431590), (9970, 258954), (11964, 215795), (14955, 172636), (19940, 129477), (29910, 86318), (43159, 59820)]