1111980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 3193344

約数和(自身を除く): 2081364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 431, 516, 645, 860, 862, 1290, 1293, 1724, 2155, 2580, 2586, 4310, 5172, 6465, 8620, 12930, 18533, 25860, 37066, 55599, 74132, 92665, 111198, 185330, 222396, 277995, 370660, 555990, 1111980]

約数ペア:

[(1, 1111980), (2, 555990), (3, 370660), (4, 277995), (5, 222396), (6, 185330), (10, 111198), (12, 92665), (15, 74132), (20, 55599), (30, 37066), (43, 25860), (60, 18533), (86, 12930), (129, 8620), (172, 6465), (215, 5172), (258, 4310), (430, 2586), (431, 2580), (516, 2155), (645, 1724), (860, 1293), (862, 1290)]