11121880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 32762880

約数和(自身を除く): 21641000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 157, 161, 184, 220, 230, 253, 280, 308, 314, 322, 385, 440, 460, 506, 616, 628, 644, 770, 785, 805, 920, 1012, 1099, 1256, 1265, 1288, 1540, 1570, 1610, 1727, 1771, 2024, 2198, 2530, 3080, 3140, 3220, 3454, 3542, 3611, 4396, 5060, 5495, 6280, 6440, 6908, 7084, 7222, 8635, 8792, 8855, 10120, 10990, 12089, 13816, 14168, 14444, 17270, 17710, 18055, 21980, 24178, 25277, 28888, 34540, 35420, 36110, 39721, 43960, 48356, 50554, 60445, 69080, 70840, 72220, 79442, 96712, 101108, 120890, 126385, 144440, 158884, 198605, 202216, 241780, 252770, 278047, 317768, 397210, 483560, 505540, 556094, 794420, 1011080, 1112188, 1390235, 1588840, 2224376, 2780470, 5560940, 11121880]

約数ペア:

[(1, 11121880), (2, 5560940), (4, 2780470), (5, 2224376), (7, 1588840), (8, 1390235), (10, 1112188), (11, 1011080), (14, 794420), (20, 556094), (22, 505540), (23, 483560), (28, 397210), (35, 317768), (40, 278047), (44, 252770), (46, 241780), (55, 202216), (56, 198605), (70, 158884), (77, 144440), (88, 126385), (92, 120890), (110, 101108), (115, 96712), (140, 79442), (154, 72220), (157, 70840), (161, 69080), (184, 60445), (220, 50554), (230, 48356), (253, 43960), (280, 39721), (308, 36110), (314, 35420), (322, 34540), (385, 28888), (440, 25277), (460, 24178), (506, 21980), (616, 18055), (628, 17710), (644, 17270), (770, 14444), (785, 14168), (805, 13816), (920, 12089), (1012, 10990), (1099, 10120), (1256, 8855), (1265, 8792), (1288, 8635), (1540, 7222), (1570, 7084), (1610, 6908), (1727, 6440), (1771, 6280), (2024, 5495), (2198, 5060), (2530, 4396), (3080, 3611), (3140, 3542), (3220, 3454)]