81865608

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:120

約数の個数: 192

約数和(自身を含む): 251985600

約数和(自身を除く): 170119992

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 29, 33, 34, 37, 44, 51, 58, 66, 68, 74, 87, 88, 102, 111, 116, 132, 136, 148, 174, 187, 204, 222, 232, 264, 289, 296, 319, 348, 374, 407, 408, 444, 493, 561, 578, 629, 638, 696, 748, 814, 867, 888, 957, 986, 1073, 1122, 1156, 1221, 1258, 1276, 1479, 1496, 1628, 1734, 1887, 1914, 1972, 2146, 2244, 2312, 2442, 2516, 2552, 2958, 3179, 3219, 3256, 3468, 3774, 3828, 3944, 4292, 4488, 4884, 5032, 5423, 5916, 6358, 6438, 6919, 6936, 7548, 7656, 8381, 8584, 9537, 9768, 10693, 10846, 11803, 11832, 12716, 12876, 13838, 15096, 16269, 16762, 18241, 19074, 20757, 21386, 21692, 23606, 25143, 25432, 25752, 27676, 32079, 32538, 33524, 35409, 36482, 38148, 41514, 42772, 43384, 47212, 50286, 54723, 55352, 64158, 65076, 67048, 70818, 72964, 76296, 83028, 85544, 92191, 94424, 100572, 109446, 117623, 128316, 130152, 141636, 145928, 166056, 184382, 200651, 201144, 218892, 235246, 256632, 276573, 283272, 310097, 352869, 368764, 401302, 437784, 470492, 553146, 601953, 620194, 705738, 737528, 802604, 930291, 940984, 1106292, 1203906, 1240388, 1411476, 1605208, 1860582, 2212584, 2407812, 2480776, 2822952, 3411067, 3721164, 4815624, 6822134, 7442328, 10233201, 13644268, 20466402, 27288536, 40932804, 81865608]

約数ペア:

[(1, 81865608), (2, 40932804), (3, 27288536), (4, 20466402), (6, 13644268), (8, 10233201), (11, 7442328), (12, 6822134), (17, 4815624), (22, 3721164), (24, 3411067), (29, 2822952), (33, 2480776), (34, 2407812), (37, 2212584), (44, 1860582), (51, 1605208), (58, 1411476), (66, 1240388), (68, 1203906), (74, 1106292), (87, 940984), (88, 930291), (102, 802604), (111, 737528), (116, 705738), (132, 620194), (136, 601953), (148, 553146), (174, 470492), (187, 437784), (204, 401302), (222, 368764), (232, 352869), (264, 310097), (289, 283272), (296, 276573), (319, 256632), (348, 235246), (374, 218892), (407, 201144), (408, 200651), (444, 184382), (493, 166056), (561, 145928), (578, 141636), (629, 130152), (638, 128316), (696, 117623), (748, 109446), (814, 100572), (867, 94424), (888, 92191), (957, 85544), (986, 83028), (1073, 76296), (1122, 72964), (1156, 70818), (1221, 67048), (1258, 65076), (1276, 64158), (1479, 55352), (1496, 54723), (1628, 50286), (1734, 47212), (1887, 43384), (1914, 42772), (1972, 41514), (2146, 38148), (2244, 36482), (2312, 35409), (2442, 33524), (2516, 32538), (2552, 32079), (2958, 27676), (3179, 25752), (3219, 25432), (3256, 25143), (3468, 23606), (3774, 21692), (3828, 21386), (3944, 20757), (4292, 19074), (4488, 18241), (4884, 16762), (5032, 16269), (5423, 15096), (5916, 13838), (6358, 12876), (6438, 12716), (6919, 11832), (6936, 11803), (7548, 10846), (7656, 10693), (8381, 9768), (8584, 9537)]