81005184

素因数分解:

$2^7\times 3^4\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:640

約数の個数: 160

約数和(自身を含む): 260045940

約数和(自身を除く): 179040756

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 162, 192, 208, 216, 234, 288, 312, 324, 351, 384, 416, 432, 468, 576, 601, 624, 648, 702, 832, 864, 936, 1053, 1152, 1202, 1248, 1296, 1404, 1664, 1728, 1803, 1872, 2106, 2404, 2496, 2592, 2808, 3456, 3606, 3744, 4212, 4808, 4992, 5184, 5409, 5616, 7212, 7488, 7813, 8424, 9616, 10368, 10818, 11232, 14424, 14976, 15626, 16227, 16848, 19232, 21636, 22464, 23439, 28848, 31252, 32454, 33696, 38464, 43272, 44928, 46878, 48681, 57696, 62504, 64908, 67392, 70317, 76928, 86544, 93756, 97362, 115392, 125008, 129816, 134784, 140634, 173088, 187512, 194724, 210951, 230784, 250016, 259632, 281268, 346176, 375024, 389448, 421902, 500032, 519264, 562536, 632853, 692352, 750048, 778896, 843804, 1000064, 1038528, 1125072, 1265706, 1500096, 1557792, 1687608, 2077056, 2250144, 2531412, 3000192, 3115584, 3375216, 4500288, 5062824, 6231168, 6750432, 9000576, 10125648, 13500864, 20251296, 27001728, 40502592, 81005184]

約数ペア:

[(1, 81005184), (2, 40502592), (3, 27001728), (4, 20251296), (6, 13500864), (8, 10125648), (9, 9000576), (12, 6750432), (13, 6231168), (16, 5062824), (18, 4500288), (24, 3375216), (26, 3115584), (27, 3000192), (32, 2531412), (36, 2250144), (39, 2077056), (48, 1687608), (52, 1557792), (54, 1500096), (64, 1265706), (72, 1125072), (78, 1038528), (81, 1000064), (96, 843804), (104, 778896), (108, 750048), (117, 692352), (128, 632853), (144, 562536), (156, 519264), (162, 500032), (192, 421902), (208, 389448), (216, 375024), (234, 346176), (288, 281268), (312, 259632), (324, 250016), (351, 230784), (384, 210951), (416, 194724), (432, 187512), (468, 173088), (576, 140634), (601, 134784), (624, 129816), (648, 125008), (702, 115392), (832, 97362), (864, 93756), (936, 86544), (1053, 76928), (1152, 70317), (1202, 67392), (1248, 64908), (1296, 62504), (1404, 57696), (1664, 48681), (1728, 46878), (1803, 44928), (1872, 43272), (2106, 38464), (2404, 33696), (2496, 32454), (2592, 31252), (2808, 28848), (3456, 23439), (3606, 22464), (3744, 21636), (4212, 19232), (4808, 16848), (4992, 16227), (5184, 15626), (5409, 14976), (5616, 14424), (7212, 11232), (7488, 10818), (7813, 10368), (8424, 9616)]