11780120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 29665440

約数和(自身を除く): 17885320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 653, 820, 902, 1306, 1640, 1804, 2255, 2612, 3265, 3608, 4510, 5224, 6530, 7183, 9020, 13060, 14366, 18040, 26120, 26773, 28732, 35915, 53546, 57464, 71830, 107092, 133865, 143660, 214184, 267730, 287320, 294503, 535460, 589006, 1070920, 1178012, 1472515, 2356024, 2945030, 5890060, 11780120]

約数ペア:

[(1, 11780120), (2, 5890060), (4, 2945030), (5, 2356024), (8, 1472515), (10, 1178012), (11, 1070920), (20, 589006), (22, 535460), (40, 294503), (41, 287320), (44, 267730), (55, 214184), (82, 143660), (88, 133865), (110, 107092), (164, 71830), (205, 57464), (220, 53546), (328, 35915), (410, 28732), (440, 26773), (451, 26120), (653, 18040), (820, 14366), (902, 13060), (1306, 9020), (1640, 7183), (1804, 6530), (2255, 5224), (2612, 4510), (3265, 3608)]