81636984

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1$

素因数の和:923

約数の個数: 160

約数和(自身を含む): 268939440

約数和(自身を除く): 187302456

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 27, 33, 36, 39, 44, 52, 54, 66, 72, 78, 81, 88, 99, 104, 108, 117, 132, 143, 156, 162, 198, 216, 234, 264, 286, 297, 312, 324, 351, 396, 429, 468, 572, 594, 648, 702, 792, 858, 881, 891, 936, 1053, 1144, 1188, 1287, 1404, 1716, 1762, 1782, 2106, 2376, 2574, 2643, 2808, 3432, 3524, 3564, 3861, 4212, 5148, 5286, 7048, 7128, 7722, 7929, 8424, 9691, 10296, 10572, 11453, 11583, 15444, 15858, 19382, 21144, 22906, 23166, 23787, 29073, 30888, 31716, 34359, 38764, 45812, 46332, 47574, 58146, 63432, 68718, 71361, 77528, 87219, 91624, 92664, 95148, 103077, 116292, 125983, 137436, 142722, 174438, 190296, 206154, 232584, 251966, 261657, 274872, 285444, 309231, 348876, 377949, 412308, 503932, 523314, 570888, 618462, 697752, 755898, 784971, 824616, 927693, 1007864, 1046628, 1133847, 1236924, 1511796, 1569942, 1855386, 2093256, 2267694, 2473848, 3023592, 3139884, 3401541, 3710772, 4535388, 6279768, 6803082, 7421544, 9070776, 10204623, 13606164, 20409246, 27212328, 40818492, 81636984]

約数ペア:

[(1, 81636984), (2, 40818492), (3, 27212328), (4, 20409246), (6, 13606164), (8, 10204623), (9, 9070776), (11, 7421544), (12, 6803082), (13, 6279768), (18, 4535388), (22, 3710772), (24, 3401541), (26, 3139884), (27, 3023592), (33, 2473848), (36, 2267694), (39, 2093256), (44, 1855386), (52, 1569942), (54, 1511796), (66, 1236924), (72, 1133847), (78, 1046628), (81, 1007864), (88, 927693), (99, 824616), (104, 784971), (108, 755898), (117, 697752), (132, 618462), (143, 570888), (156, 523314), (162, 503932), (198, 412308), (216, 377949), (234, 348876), (264, 309231), (286, 285444), (297, 274872), (312, 261657), (324, 251966), (351, 232584), (396, 206154), (429, 190296), (468, 174438), (572, 142722), (594, 137436), (648, 125983), (702, 116292), (792, 103077), (858, 95148), (881, 92664), (891, 91624), (936, 87219), (1053, 77528), (1144, 71361), (1188, 68718), (1287, 63432), (1404, 58146), (1716, 47574), (1762, 46332), (1782, 45812), (2106, 38764), (2376, 34359), (2574, 31716), (2643, 30888), (2808, 29073), (3432, 23787), (3524, 23166), (3564, 22906), (3861, 21144), (4212, 19382), (5148, 15858), (5286, 15444), (7048, 11583), (7128, 11453), (7722, 10572), (7929, 10296), (8424, 9691)]