1081861880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{15661}}^1$

素因数の和:15840

約数の個数: 64

約数和(自身を含む): 2672563680

約数和(自身を除く): 1590701800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 628, 785, 1256, 1570, 1727, 3140, 3454, 6280, 6908, 8635, 13816, 15661, 17270, 31322, 34540, 62644, 69080, 78305, 125288, 156610, 172271, 313220, 344542, 626440, 689084, 861355, 1378168, 1722710, 2458777, 3445420, 4917554, 6890840, 9835108, 12293885, 19670216, 24587770, 27046547, 49175540, 54093094, 98351080, 108186188, 135232735, 216372376, 270465470, 540930940, 1081861880]

約数ペア:

[(1, 1081861880), (2, 540930940), (4, 270465470), (5, 216372376), (8, 135232735), (10, 108186188), (11, 98351080), (20, 54093094), (22, 49175540), (40, 27046547), (44, 24587770), (55, 19670216), (88, 12293885), (110, 9835108), (157, 6890840), (220, 4917554), (314, 3445420), (440, 2458777), (628, 1722710), (785, 1378168), (1256, 861355), (1570, 689084), (1727, 626440), (3140, 344542), (3454, 313220), (6280, 172271), (6908, 156610), (8635, 125288), (13816, 78305), (15661, 69080), (17270, 62644), (31322, 34540)]