30686768

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 73281024

約数和(自身を除く): 42594256

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 71, 112, 119, 136, 142, 227, 238, 272, 284, 454, 476, 497, 568, 908, 952, 994, 1136, 1207, 1589, 1816, 1904, 1988, 2414, 3178, 3632, 3859, 3976, 4828, 6356, 7718, 7952, 8449, 9656, 12712, 15436, 16117, 16898, 19312, 25424, 27013, 30872, 32234, 33796, 54026, 61744, 64468, 67592, 108052, 112819, 128936, 135184, 216104, 225638, 257872, 273989, 432208, 451276, 547978, 902552, 1095956, 1805104, 1917923, 2191912, 3835846, 4383824, 7671692, 15343384, 30686768]

約数ペア:

[(1, 30686768), (2, 15343384), (4, 7671692), (7, 4383824), (8, 3835846), (14, 2191912), (16, 1917923), (17, 1805104), (28, 1095956), (34, 902552), (56, 547978), (68, 451276), (71, 432208), (112, 273989), (119, 257872), (136, 225638), (142, 216104), (227, 135184), (238, 128936), (272, 112819), (284, 108052), (454, 67592), (476, 64468), (497, 61744), (568, 54026), (908, 33796), (952, 32234), (994, 30872), (1136, 27013), (1207, 25424), (1589, 19312), (1816, 16898), (1904, 16117), (1988, 15436), (2414, 12712), (3178, 9656), (3632, 8449), (3859, 7952), (3976, 7718), (4828, 6356)]