81948672

素因数分解:

$2^{12}\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:68

約数の個数: 260

約数和(自身を含む): 277511080

約数和(自身を除く): 195562408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 32, 36, 38, 39, 48, 52, 54, 57, 64, 72, 76, 78, 81, 96, 104, 108, 114, 117, 128, 144, 152, 156, 162, 171, 192, 208, 216, 228, 234, 247, 256, 288, 304, 312, 324, 342, 351, 384, 416, 432, 456, 468, 494, 512, 513, 576, 608, 624, 648, 684, 702, 741, 768, 832, 864, 912, 936, 988, 1024, 1026, 1053, 1152, 1216, 1248, 1296, 1368, 1404, 1482, 1536, 1539, 1664, 1728, 1824, 1872, 1976, 2048, 2052, 2106, 2223, 2304, 2432, 2496, 2592, 2736, 2808, 2964, 3072, 3078, 3328, 3456, 3648, 3744, 3952, 4096, 4104, 4212, 4446, 4608, 4864, 4992, 5184, 5472, 5616, 5928, 6144, 6156, 6656, 6669, 6912, 7296, 7488, 7904, 8208, 8424, 8892, 9216, 9728, 9984, 10368, 10944, 11232, 11856, 12288, 12312, 13312, 13338, 13824, 14592, 14976, 15808, 16416, 16848, 17784, 18432, 19456, 19968, 20007, 20736, 21888, 22464, 23712, 24624, 26624, 26676, 27648, 29184, 29952, 31616, 32832, 33696, 35568, 36864, 38912, 39936, 40014, 41472, 43776, 44928, 47424, 49248, 53248, 53352, 55296, 58368, 59904, 63232, 65664, 67392, 71136, 77824, 79872, 80028, 82944, 87552, 89856, 94848, 98496, 106704, 110592, 116736, 119808, 126464, 131328, 134784, 142272, 159744, 160056, 165888, 175104, 179712, 189696, 196992, 213408, 233472, 239616, 252928, 262656, 269568, 284544, 320112, 331776, 350208, 359424, 379392, 393984, 426816, 479232, 505856, 525312, 539136, 569088, 640224, 700416, 718848, 758784, 787968, 853632, 1011712, 1050624, 1078272, 1138176, 1280448, 1437696, 1517568, 1575936, 1707264, 2101248, 2156544, 2276352, 2560896, 3035136, 3151872, 3414528, 4313088, 4552704, 5121792, 6303744, 6829056, 9105408, 10243584, 13658112, 20487168, 27316224, 40974336, 81948672]

約数ペア:

[(1, 81948672), (2, 40974336), (3, 27316224), (4, 20487168), (6, 13658112), (8, 10243584), (9, 9105408), (12, 6829056), (13, 6303744), (16, 5121792), (18, 4552704), (19, 4313088), (24, 3414528), (26, 3151872), (27, 3035136), (32, 2560896), (36, 2276352), (38, 2156544), (39, 2101248), (48, 1707264), (52, 1575936), (54, 1517568), (57, 1437696), (64, 1280448), (72, 1138176), (76, 1078272), (78, 1050624), (81, 1011712), (96, 853632), (104, 787968), (108, 758784), (114, 718848), (117, 700416), (128, 640224), (144, 569088), (152, 539136), (156, 525312), (162, 505856), (171, 479232), (192, 426816), (208, 393984), (216, 379392), (228, 359424), (234, 350208), (247, 331776), (256, 320112), (288, 284544), (304, 269568), (312, 262656), (324, 252928), (342, 239616), (351, 233472), (384, 213408), (416, 196992), (432, 189696), (456, 179712), (468, 175104), (494, 165888), (512, 160056), (513, 159744), (576, 142272), (608, 134784), (624, 131328), (648, 126464), (684, 119808), (702, 116736), (741, 110592), (768, 106704), (832, 98496), (864, 94848), (912, 89856), (936, 87552), (988, 82944), (1024, 80028), (1026, 79872), (1053, 77824), (1152, 71136), (1216, 67392), (1248, 65664), (1296, 63232), (1368, 59904), (1404, 58368), (1482, 55296), (1536, 53352), (1539, 53248), (1664, 49248), (1728, 47424), (1824, 44928), (1872, 43776), (1976, 41472), (2048, 40014), (2052, 39936), (2106, 38912), (2223, 36864), (2304, 35568), (2432, 33696), (2496, 32832), (2592, 31616), (2736, 29952), (2808, 29184), (2964, 27648), (3072, 26676), (3078, 26624), (3328, 24624), (3456, 23712), (3648, 22464), (3744, 21888), (3952, 20736), (4096, 20007), (4104, 19968), (4212, 19456), (4446, 18432), (4608, 17784), (4864, 16848), (4992, 16416), (5184, 15808), (5472, 14976), (5616, 14592), (5928, 13824), (6144, 13338), (6156, 13312), (6656, 12312), (6669, 12288), (6912, 11856), (7296, 11232), (7488, 10944), (7904, 10368), (8208, 9984), (8424, 9728), (8892, 9216)]