428520840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{324637}}^1$

素因数の和:324662

約数の個数: 64

約数和(自身を含む): 1402436160

約数和(自身を除く): 973915320

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, 324637, 649274, 973911, 1298548, 1623185, 1947822, 2597096, 3246370, 3571007, 3895644, 4869555, 6492740, 7142014, 7791288, 9739110, 10713021, 12985480, 14284028, 17855035, 19478220, 21426042, 28568056, 35710070, 38956440, 42852084, 53565105, 71420140, 85704168, 107130210, 142840280, 214260420, 428520840]

約数ペア:

[(1, 428520840), (2, 214260420), (3, 142840280), (4, 107130210), (5, 85704168), (6, 71420140), (8, 53565105), (10, 42852084), (11, 38956440), (12, 35710070), (15, 28568056), (20, 21426042), (22, 19478220), (24, 17855035), (30, 14284028), (33, 12985480), (40, 10713021), (44, 9739110), (55, 7791288), (60, 7142014), (66, 6492740), (88, 4869555), (110, 3895644), (120, 3571007), (132, 3246370), (165, 2597096), (220, 1947822), (264, 1623185), (330, 1298548), (440, 973911), (660, 649274), (1320, 324637)]