315990840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239387}}^1$

素因数の和:239412

約数の個数: 64

約数和(自身を含む): 1034156160

約数和(自身を除く): 718165320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 239387, 478774, 718161, 957548, 1196935, 1436322, 1915096, 2393870, 2633257, 2872644, 3590805, 4787740, 5266514, 5745288, 7181610, 7899771, 9575480, 10533028, 13166285, 14363220, 15799542, 21066056, 26332570, 28726440, 31599084, 39498855, 52665140, 63198168, 78997710, 105330280, 157995420, 315990840]

約数ペア:

[(1, 315990840), (2, 157995420), (3, 105330280), (4, 78997710), (5, 63198168), (6, 52665140), (8, 39498855), (10, 31599084), (11, 28726440), (12, 26332570), (15, 21066056), (20, 15799542), (22, 14363220), (24, 13166285), (30, 10533028), (33, 9575480), (40, 7899771), (44, 7181610), (55, 5745288), (60, 5266514), (66, 4787740), (88, 3590805), (110, 2872644), (120, 2633257), (132, 2393870), (165, 1915096), (220, 1436322), (264, 1196935), (330, 957548), (440, 718161), (660, 478774), (1320, 239387)]