81647104

素因数分解:

$2^9\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:164

約数の個数: 160

約数和(自身を含む): 216057600

約数和(自身を除く): 134410496

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 64, 76, 77, 88, 109, 112, 128, 133, 152, 154, 176, 209, 218, 224, 256, 266, 304, 308, 352, 418, 436, 448, 512, 532, 608, 616, 704, 763, 836, 872, 896, 1064, 1199, 1216, 1232, 1408, 1463, 1526, 1672, 1744, 1792, 2071, 2128, 2398, 2432, 2464, 2816, 2926, 3052, 3344, 3488, 3584, 4142, 4256, 4796, 4864, 4928, 5632, 5852, 6104, 6688, 6976, 8284, 8393, 8512, 9592, 9728, 9856, 11704, 12208, 13376, 13952, 14497, 16568, 16786, 17024, 19184, 19712, 22781, 23408, 24416, 26752, 27904, 28994, 33136, 33572, 34048, 38368, 39424, 45562, 46816, 48832, 53504, 55808, 57988, 66272, 67144, 68096, 76736, 91124, 93632, 97664, 107008, 115976, 132544, 134288, 153472, 159467, 182248, 187264, 195328, 231952, 265088, 268576, 306944, 318934, 364496, 374528, 390656, 463904, 530176, 537152, 613888, 637868, 728992, 749056, 927808, 1060352, 1074304, 1275736, 1457984, 1855616, 2148608, 2551472, 2915968, 3711232, 4297216, 5102944, 5831936, 7422464, 10205888, 11663872, 20411776, 40823552, 81647104]

約数ペア:

[(1, 81647104), (2, 40823552), (4, 20411776), (7, 11663872), (8, 10205888), (11, 7422464), (14, 5831936), (16, 5102944), (19, 4297216), (22, 3711232), (28, 2915968), (32, 2551472), (38, 2148608), (44, 1855616), (56, 1457984), (64, 1275736), (76, 1074304), (77, 1060352), (88, 927808), (109, 749056), (112, 728992), (128, 637868), (133, 613888), (152, 537152), (154, 530176), (176, 463904), (209, 390656), (218, 374528), (224, 364496), (256, 318934), (266, 306944), (304, 268576), (308, 265088), (352, 231952), (418, 195328), (436, 187264), (448, 182248), (512, 159467), (532, 153472), (608, 134288), (616, 132544), (704, 115976), (763, 107008), (836, 97664), (872, 93632), (896, 91124), (1064, 76736), (1199, 68096), (1216, 67144), (1232, 66272), (1408, 57988), (1463, 55808), (1526, 53504), (1672, 48832), (1744, 46816), (1792, 45562), (2071, 39424), (2128, 38368), (2398, 34048), (2432, 33572), (2464, 33136), (2816, 28994), (2926, 27904), (3052, 26752), (3344, 24416), (3488, 23408), (3584, 22781), (4142, 19712), (4256, 19184), (4796, 17024), (4864, 16786), (4928, 16568), (5632, 14497), (5852, 13952), (6104, 13376), (6688, 12208), (6976, 11704), (8284, 9856), (8393, 9728), (8512, 9592)]