81565848

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:302

約数の個数: 192

約数和(自身を含む): 277804800

約数和(自身を除く): 196238952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 59, 63, 72, 78, 84, 91, 104, 117, 118, 126, 156, 168, 177, 182, 211, 234, 236, 252, 273, 312, 354, 364, 413, 422, 468, 472, 504, 531, 546, 633, 708, 728, 767, 819, 826, 844, 936, 1062, 1092, 1239, 1266, 1416, 1477, 1534, 1638, 1652, 1688, 1899, 2124, 2184, 2301, 2478, 2532, 2743, 2954, 3068, 3276, 3304, 3717, 3798, 4248, 4431, 4602, 4956, 5064, 5369, 5486, 5908, 6136, 6552, 6903, 7434, 7596, 8229, 8862, 9204, 9912, 10738, 10972, 11816, 12449, 13293, 13806, 14868, 15192, 16107, 16458, 17724, 18408, 19201, 21476, 21944, 24687, 24898, 26586, 27612, 29736, 32214, 32916, 35448, 37347, 38402, 42952, 48321, 49374, 49796, 53172, 55224, 57603, 64428, 65832, 74694, 76804, 87143, 96642, 98748, 99592, 106344, 112041, 115206, 128856, 149388, 153608, 161837, 172809, 174286, 193284, 197496, 224082, 230412, 261429, 298776, 323674, 345618, 348572, 386568, 448164, 460824, 485511, 522858, 647348, 691236, 697144, 784287, 896328, 971022, 1045716, 1132859, 1294696, 1382472, 1456533, 1568574, 1942044, 2091432, 2265718, 2913066, 3137148, 3398577, 3884088, 4531436, 5826132, 6274296, 6797154, 9062872, 10195731, 11652264, 13594308, 20391462, 27188616, 40782924, 81565848]

約数ペア:

[(1, 81565848), (2, 40782924), (3, 27188616), (4, 20391462), (6, 13594308), (7, 11652264), (8, 10195731), (9, 9062872), (12, 6797154), (13, 6274296), (14, 5826132), (18, 4531436), (21, 3884088), (24, 3398577), (26, 3137148), (28, 2913066), (36, 2265718), (39, 2091432), (42, 1942044), (52, 1568574), (56, 1456533), (59, 1382472), (63, 1294696), (72, 1132859), (78, 1045716), (84, 971022), (91, 896328), (104, 784287), (117, 697144), (118, 691236), (126, 647348), (156, 522858), (168, 485511), (177, 460824), (182, 448164), (211, 386568), (234, 348572), (236, 345618), (252, 323674), (273, 298776), (312, 261429), (354, 230412), (364, 224082), (413, 197496), (422, 193284), (468, 174286), (472, 172809), (504, 161837), (531, 153608), (546, 149388), (633, 128856), (708, 115206), (728, 112041), (767, 106344), (819, 99592), (826, 98748), (844, 96642), (936, 87143), (1062, 76804), (1092, 74694), (1239, 65832), (1266, 64428), (1416, 57603), (1477, 55224), (1534, 53172), (1638, 49796), (1652, 49374), (1688, 48321), (1899, 42952), (2124, 38402), (2184, 37347), (2301, 35448), (2478, 32916), (2532, 32214), (2743, 29736), (2954, 27612), (3068, 26586), (3276, 24898), (3304, 24687), (3717, 21944), (3798, 21476), (4248, 19201), (4431, 18408), (4602, 17724), (4956, 16458), (5064, 16107), (5369, 15192), (5486, 14868), (5908, 13806), (6136, 13293), (6552, 12449), (6903, 11816), (7434, 10972), (7596, 10738), (8229, 9912), (8862, 9204)]