81317712

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:297

約数の個数: 160

約数和(自身を含む): 255729664

約数和(自身を除く): 174411952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 37, 42, 48, 56, 62, 74, 84, 93, 111, 112, 124, 148, 168, 186, 211, 217, 222, 248, 259, 296, 336, 372, 422, 434, 444, 496, 518, 592, 633, 651, 744, 777, 844, 868, 888, 1036, 1147, 1266, 1302, 1477, 1488, 1554, 1688, 1736, 1776, 2072, 2294, 2532, 2604, 2954, 3108, 3376, 3441, 3472, 4144, 4431, 4588, 5064, 5208, 5908, 6216, 6541, 6882, 7807, 8029, 8862, 9176, 10128, 10416, 11816, 12432, 13082, 13764, 15614, 16058, 17724, 18352, 19623, 23421, 23632, 24087, 26164, 27528, 31228, 32116, 35448, 39246, 45787, 46842, 48174, 52328, 54649, 55056, 62456, 64232, 70896, 78492, 91574, 93684, 96348, 104656, 109298, 124912, 128464, 137361, 156984, 163947, 183148, 187368, 192696, 218596, 242017, 274722, 313968, 327894, 366296, 374736, 385392, 437192, 484034, 549444, 655788, 726051, 732592, 874384, 968068, 1098888, 1311576, 1452102, 1694119, 1936136, 2197776, 2623152, 2904204, 3388238, 3872272, 5082357, 5808408, 6776476, 10164714, 11616816, 13552952, 20329428, 27105904, 40658856, 81317712]

約数ペア:

[(1, 81317712), (2, 40658856), (3, 27105904), (4, 20329428), (6, 13552952), (7, 11616816), (8, 10164714), (12, 6776476), (14, 5808408), (16, 5082357), (21, 3872272), (24, 3388238), (28, 2904204), (31, 2623152), (37, 2197776), (42, 1936136), (48, 1694119), (56, 1452102), (62, 1311576), (74, 1098888), (84, 968068), (93, 874384), (111, 732592), (112, 726051), (124, 655788), (148, 549444), (168, 484034), (186, 437192), (211, 385392), (217, 374736), (222, 366296), (248, 327894), (259, 313968), (296, 274722), (336, 242017), (372, 218596), (422, 192696), (434, 187368), (444, 183148), (496, 163947), (518, 156984), (592, 137361), (633, 128464), (651, 124912), (744, 109298), (777, 104656), (844, 96348), (868, 93684), (888, 91574), (1036, 78492), (1147, 70896), (1266, 64232), (1302, 62456), (1477, 55056), (1488, 54649), (1554, 52328), (1688, 48174), (1736, 46842), (1776, 45787), (2072, 39246), (2294, 35448), (2532, 32116), (2604, 31228), (2954, 27528), (3108, 26164), (3376, 24087), (3441, 23632), (3472, 23421), (4144, 19623), (4431, 18352), (4588, 17724), (5064, 16058), (5208, 15614), (5908, 13764), (6216, 13082), (6541, 12432), (6882, 11816), (7807, 10416), (8029, 10128), (8862, 9176)]