67812920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1907}}^1$

素因数の和:2052

約数の個数: 64

約数和(自身を含む): 175841280

約数和(自身を除く): 108028360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 1907, 2540, 3556, 3814, 4445, 5080, 7112, 7628, 8890, 9535, 13349, 15256, 17780, 19070, 26698, 35560, 38140, 53396, 66745, 76280, 106792, 133490, 242189, 266980, 484378, 533960, 968756, 1210945, 1695323, 1937512, 2421890, 3390646, 4843780, 6781292, 8476615, 9687560, 13562584, 16953230, 33906460, 67812920]

約数ペア:

[(1, 67812920), (2, 33906460), (4, 16953230), (5, 13562584), (7, 9687560), (8, 8476615), (10, 6781292), (14, 4843780), (20, 3390646), (28, 2421890), (35, 1937512), (40, 1695323), (56, 1210945), (70, 968756), (127, 533960), (140, 484378), (254, 266980), (280, 242189), (508, 133490), (635, 106792), (889, 76280), (1016, 66745), (1270, 53396), (1778, 38140), (1907, 35560), (2540, 26698), (3556, 19070), (3814, 17780), (4445, 15256), (5080, 13349), (7112, 9535), (7628, 8890)]