2157240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17977}}^1$

素因数の和:17991

約数の個数: 32

約数和(自身を含む): 6472080

約数和(自身を除く): 4314840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 17977, 35954, 53931, 71908, 89885, 107862, 143816, 179770, 215724, 269655, 359540, 431448, 539310, 719080, 1078620, 2157240]

約数ペア:

[(1, 2157240), (2, 1078620), (3, 719080), (4, 539310), (5, 431448), (6, 359540), (8, 269655), (10, 215724), (12, 179770), (15, 143816), (20, 107862), (24, 89885), (30, 71908), (40, 53931), (60, 35954), (120, 17977)]