128872548

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1699}}^1$

素因数の和:1766

約数の個数: 108

約数和(自身を含む): 387987600

約数和(自身を除く): 259115052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 49, 63, 84, 86, 98, 126, 129, 147, 172, 196, 252, 258, 294, 301, 387, 441, 516, 588, 602, 774, 882, 903, 1204, 1548, 1699, 1764, 1806, 2107, 2709, 3398, 3612, 4214, 5097, 5418, 6321, 6796, 8428, 10194, 10836, 11893, 12642, 15291, 18963, 20388, 23786, 25284, 30582, 35679, 37926, 47572, 61164, 71358, 73057, 75852, 83251, 107037, 142716, 146114, 166502, 214074, 219171, 249753, 292228, 333004, 428148, 438342, 499506, 511399, 657513, 749259, 876684, 999012, 1022798, 1315026, 1498518, 1534197, 2045596, 2630052, 2997036, 3068394, 3579793, 4602591, 6136788, 7159586, 9205182, 10739379, 14319172, 18410364, 21478758, 32218137, 42957516, 64436274, 128872548]

約数ペア:

[(1, 128872548), (2, 64436274), (3, 42957516), (4, 32218137), (6, 21478758), (7, 18410364), (9, 14319172), (12, 10739379), (14, 9205182), (18, 7159586), (21, 6136788), (28, 4602591), (36, 3579793), (42, 3068394), (43, 2997036), (49, 2630052), (63, 2045596), (84, 1534197), (86, 1498518), (98, 1315026), (126, 1022798), (129, 999012), (147, 876684), (172, 749259), (196, 657513), (252, 511399), (258, 499506), (294, 438342), (301, 428148), (387, 333004), (441, 292228), (516, 249753), (588, 219171), (602, 214074), (774, 166502), (882, 146114), (903, 142716), (1204, 107037), (1548, 83251), (1699, 75852), (1764, 73057), (1806, 71358), (2107, 61164), (2709, 47572), (3398, 37926), (3612, 35679), (4214, 30582), (5097, 25284), (5418, 23786), (6321, 20388), (6796, 18963), (8428, 15291), (10194, 12642), (10836, 11893)]