6891280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 17998848

約数和(自身を除く): 11107568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 191, 205, 220, 328, 382, 410, 440, 451, 656, 764, 820, 880, 902, 955, 1528, 1640, 1804, 1910, 2101, 2255, 3056, 3280, 3608, 3820, 4202, 4510, 7216, 7640, 7831, 8404, 9020, 10505, 15280, 15662, 16808, 18040, 21010, 31324, 33616, 36080, 39155, 42020, 62648, 78310, 84040, 86141, 125296, 156620, 168080, 172282, 313240, 344564, 430705, 626480, 689128, 861410, 1378256, 1722820, 3445640, 6891280]

約数ペア:

[(1, 6891280), (2, 3445640), (4, 1722820), (5, 1378256), (8, 861410), (10, 689128), (11, 626480), (16, 430705), (20, 344564), (22, 313240), (40, 172282), (41, 168080), (44, 156620), (55, 125296), (80, 86141), (82, 84040), (88, 78310), (110, 62648), (164, 42020), (176, 39155), (191, 36080), (205, 33616), (220, 31324), (328, 21010), (382, 18040), (410, 16808), (440, 15662), (451, 15280), (656, 10505), (764, 9020), (820, 8404), (880, 7831), (902, 7640), (955, 7216), (1528, 4510), (1640, 4202), (1804, 3820), (1910, 3608), (2101, 3280), (2255, 3056)]