2689280

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 7064064

約数和(自身を除く): 4374784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 191, 220, 256, 320, 352, 382, 440, 640, 704, 764, 880, 955, 1280, 1408, 1528, 1760, 1910, 2101, 2816, 3056, 3520, 3820, 4202, 6112, 7040, 7640, 8404, 10505, 12224, 14080, 15280, 16808, 21010, 24448, 30560, 33616, 42020, 48896, 61120, 67232, 84040, 122240, 134464, 168080, 244480, 268928, 336160, 537856, 672320, 1344640, 2689280]

約数ペア:

[(1, 2689280), (2, 1344640), (4, 672320), (5, 537856), (8, 336160), (10, 268928), (11, 244480), (16, 168080), (20, 134464), (22, 122240), (32, 84040), (40, 67232), (44, 61120), (55, 48896), (64, 42020), (80, 33616), (88, 30560), (110, 24448), (128, 21010), (160, 16808), (176, 15280), (191, 14080), (220, 12224), (256, 10505), (320, 8404), (352, 7640), (382, 7040), (440, 6112), (640, 4202), (704, 3820), (764, 3520), (880, 3056), (955, 2816), (1280, 2101), (1408, 1910), (1528, 1760)]