81347136

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 168

約数和(自身を含む): 245424960

約数和(自身を除く): 164077824

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 48, 52, 64, 69, 78, 92, 96, 104, 109, 138, 156, 169, 184, 192, 208, 218, 276, 299, 312, 327, 338, 368, 416, 436, 507, 552, 598, 624, 654, 676, 736, 832, 872, 897, 1014, 1104, 1196, 1248, 1308, 1352, 1417, 1472, 1744, 1794, 2028, 2208, 2392, 2496, 2507, 2616, 2704, 2834, 3488, 3588, 3887, 4056, 4251, 4416, 4784, 5014, 5232, 5408, 5668, 6976, 7176, 7521, 7774, 8112, 8502, 9568, 10028, 10464, 10816, 11336, 11661, 14352, 15042, 15548, 16224, 17004, 18421, 19136, 20056, 20928, 22672, 23322, 28704, 30084, 31096, 32448, 32591, 34008, 36842, 40112, 45344, 46644, 55263, 57408, 60168, 62192, 65182, 68016, 73684, 80224, 90688, 93288, 97773, 110526, 120336, 124384, 130364, 136032, 147368, 160448, 186576, 195546, 221052, 240672, 248768, 260728, 272064, 294736, 373152, 391092, 423683, 442104, 481344, 521456, 589472, 746304, 782184, 847366, 884208, 1042912, 1178944, 1271049, 1564368, 1694732, 1768416, 2085824, 2542098, 3128736, 3389464, 3536832, 5084196, 6257472, 6778928, 10168392, 13557856, 20336784, 27115712, 40673568, 81347136]

約数ペア:

[(1, 81347136), (2, 40673568), (3, 27115712), (4, 20336784), (6, 13557856), (8, 10168392), (12, 6778928), (13, 6257472), (16, 5084196), (23, 3536832), (24, 3389464), (26, 3128736), (32, 2542098), (39, 2085824), (46, 1768416), (48, 1694732), (52, 1564368), (64, 1271049), (69, 1178944), (78, 1042912), (92, 884208), (96, 847366), (104, 782184), (109, 746304), (138, 589472), (156, 521456), (169, 481344), (184, 442104), (192, 423683), (208, 391092), (218, 373152), (276, 294736), (299, 272064), (312, 260728), (327, 248768), (338, 240672), (368, 221052), (416, 195546), (436, 186576), (507, 160448), (552, 147368), (598, 136032), (624, 130364), (654, 124384), (676, 120336), (736, 110526), (832, 97773), (872, 93288), (897, 90688), (1014, 80224), (1104, 73684), (1196, 68016), (1248, 65182), (1308, 62192), (1352, 60168), (1417, 57408), (1472, 55263), (1744, 46644), (1794, 45344), (2028, 40112), (2208, 36842), (2392, 34008), (2496, 32591), (2507, 32448), (2616, 31096), (2704, 30084), (2834, 28704), (3488, 23322), (3588, 22672), (3887, 20928), (4056, 20056), (4251, 19136), (4416, 18421), (4784, 17004), (5014, 16224), (5232, 15548), (5408, 15042), (5668, 14352), (6976, 11661), (7176, 11336), (7521, 10816), (7774, 10464), (8112, 10028), (8502, 9568)]