155015840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{138407}}^1$

素因数の和:138429

約数の個数: 48

約数和(自身を含む): 418545792

約数和(自身を除く): 263529952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 138407, 276814, 553628, 692035, 968849, 1107256, 1384070, 1937698, 2214512, 2768140, 3875396, 4429024, 4844245, 5536280, 7750792, 9688490, 11072560, 15501584, 19376980, 22145120, 31003168, 38753960, 77507920, 155015840]

約数ペア:

[(1, 155015840), (2, 77507920), (4, 38753960), (5, 31003168), (7, 22145120), (8, 19376980), (10, 15501584), (14, 11072560), (16, 9688490), (20, 7750792), (28, 5536280), (32, 4844245), (35, 4429024), (40, 3875396), (56, 2768140), (70, 2214512), (80, 1937698), (112, 1384070), (140, 1107256), (160, 968849), (224, 692035), (280, 553628), (560, 276814), (1120, 138407)]