81149568

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:466

約数の個数: 128

約数和(自身を含む): 236183040

約数和(自身を除く): 155033472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 32, 34, 48, 51, 62, 64, 68, 93, 96, 102, 124, 128, 136, 186, 192, 204, 248, 272, 372, 384, 401, 408, 496, 527, 544, 744, 802, 816, 992, 1054, 1088, 1203, 1488, 1581, 1604, 1632, 1984, 2108, 2176, 2406, 2976, 3162, 3208, 3264, 3968, 4216, 4812, 5952, 6324, 6416, 6528, 6817, 8432, 9624, 11904, 12431, 12648, 12832, 13634, 16864, 19248, 20451, 24862, 25296, 25664, 27268, 33728, 37293, 38496, 40902, 49724, 50592, 51328, 54536, 67456, 74586, 76992, 81804, 99448, 101184, 109072, 149172, 153984, 163608, 198896, 202368, 211327, 218144, 298344, 327216, 397792, 422654, 436288, 596688, 633981, 654432, 795584, 845308, 872576, 1193376, 1267962, 1308864, 1591168, 1690616, 2386752, 2535924, 2617728, 3381232, 4773504, 5071848, 6762464, 10143696, 13524928, 20287392, 27049856, 40574784, 81149568]

約数ペア:

[(1, 81149568), (2, 40574784), (3, 27049856), (4, 20287392), (6, 13524928), (8, 10143696), (12, 6762464), (16, 5071848), (17, 4773504), (24, 3381232), (31, 2617728), (32, 2535924), (34, 2386752), (48, 1690616), (51, 1591168), (62, 1308864), (64, 1267962), (68, 1193376), (93, 872576), (96, 845308), (102, 795584), (124, 654432), (128, 633981), (136, 596688), (186, 436288), (192, 422654), (204, 397792), (248, 327216), (272, 298344), (372, 218144), (384, 211327), (401, 202368), (408, 198896), (496, 163608), (527, 153984), (544, 149172), (744, 109072), (802, 101184), (816, 99448), (992, 81804), (1054, 76992), (1088, 74586), (1203, 67456), (1488, 54536), (1581, 51328), (1604, 50592), (1632, 49724), (1984, 40902), (2108, 38496), (2176, 37293), (2406, 33728), (2976, 27268), (3162, 25664), (3208, 25296), (3264, 24862), (3968, 20451), (4216, 19248), (4812, 16864), (5952, 13634), (6324, 12832), (6416, 12648), (6528, 12431), (6817, 11904), (8432, 9624)]