820170064

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^2\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:297

約数の個数: 120

約数和(自身を含む): 1930987520

約数和(自身を除く): 1110817456

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 109, 112, 127, 161, 184, 218, 254, 322, 368, 436, 508, 529, 644, 763, 872, 889, 1016, 1058, 1288, 1526, 1744, 1778, 2032, 2116, 2507, 2576, 2921, 3052, 3556, 3703, 4232, 5014, 5842, 6104, 7112, 7406, 8464, 10028, 11684, 12208, 13843, 14224, 14812, 17549, 20056, 20447, 23368, 27686, 29624, 35098, 40112, 40894, 46736, 55372, 57661, 59248, 67183, 70196, 81788, 96901, 110744, 115322, 134366, 140392, 163576, 193802, 221488, 230644, 268732, 280784, 318389, 327152, 387604, 403627, 461288, 470281, 537464, 636778, 775208, 807254, 922576, 940562, 1074928, 1273556, 1550416, 1614508, 1881124, 2228723, 2547112, 3229016, 3762248, 4457446, 5094224, 6458032, 7322947, 7524496, 8914892, 14645894, 17829784, 29291788, 35659568, 51260629, 58583576, 102521258, 117167152, 205042516, 410085032, 820170064]

約数ペア:

[(1, 820170064), (2, 410085032), (4, 205042516), (7, 117167152), (8, 102521258), (14, 58583576), (16, 51260629), (23, 35659568), (28, 29291788), (46, 17829784), (56, 14645894), (92, 8914892), (109, 7524496), (112, 7322947), (127, 6458032), (161, 5094224), (184, 4457446), (218, 3762248), (254, 3229016), (322, 2547112), (368, 2228723), (436, 1881124), (508, 1614508), (529, 1550416), (644, 1273556), (763, 1074928), (872, 940562), (889, 922576), (1016, 807254), (1058, 775208), (1288, 636778), (1526, 537464), (1744, 470281), (1778, 461288), (2032, 403627), (2116, 387604), (2507, 327152), (2576, 318389), (2921, 280784), (3052, 268732), (3556, 230644), (3703, 221488), (4232, 193802), (5014, 163576), (5842, 140392), (6104, 134366), (7112, 115322), (7406, 110744), (8464, 96901), (10028, 81788), (11684, 70196), (12208, 67183), (13843, 59248), (14224, 57661), (14812, 55372), (17549, 46736), (20056, 40894), (20447, 40112), (23368, 35098), (27686, 29624)]