81773568

素因数分解:

$2^{10}\times 3^2\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:512

約数の個数: 132

約数和(自身を含む): 249078960

約数和(自身を除く): 167305392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 256, 288, 304, 342, 384, 456, 467, 512, 576, 608, 684, 768, 912, 934, 1024, 1152, 1216, 1368, 1401, 1536, 1824, 1868, 2304, 2432, 2736, 2802, 3072, 3648, 3736, 4203, 4608, 4864, 5472, 5604, 7296, 7472, 8406, 8873, 9216, 9728, 10944, 11208, 14592, 14944, 16812, 17746, 19456, 21888, 22416, 26619, 29184, 29888, 33624, 35492, 43776, 44832, 53238, 58368, 59776, 67248, 70984, 79857, 87552, 89664, 106476, 119552, 134496, 141968, 159714, 175104, 179328, 212952, 239104, 268992, 283936, 319428, 358656, 425904, 478208, 537984, 567872, 638856, 717312, 851808, 1075968, 1135744, 1277712, 1434624, 1703616, 2151936, 2271488, 2555424, 3407232, 4303872, 4542976, 5110848, 6814464, 9085952, 10221696, 13628928, 20443392, 27257856, 40886784, 81773568]

約数ペア:

[(1, 81773568), (2, 40886784), (3, 27257856), (4, 20443392), (6, 13628928), (8, 10221696), (9, 9085952), (12, 6814464), (16, 5110848), (18, 4542976), (19, 4303872), (24, 3407232), (32, 2555424), (36, 2271488), (38, 2151936), (48, 1703616), (57, 1434624), (64, 1277712), (72, 1135744), (76, 1075968), (96, 851808), (114, 717312), (128, 638856), (144, 567872), (152, 537984), (171, 478208), (192, 425904), (228, 358656), (256, 319428), (288, 283936), (304, 268992), (342, 239104), (384, 212952), (456, 179328), (467, 175104), (512, 159714), (576, 141968), (608, 134496), (684, 119552), (768, 106476), (912, 89664), (934, 87552), (1024, 79857), (1152, 70984), (1216, 67248), (1368, 59776), (1401, 58368), (1536, 53238), (1824, 44832), (1868, 43776), (2304, 35492), (2432, 33624), (2736, 29888), (2802, 29184), (3072, 26619), (3648, 22416), (3736, 21888), (4203, 19456), (4608, 17746), (4864, 16812), (5472, 14944), (5604, 14592), (7296, 11208), (7472, 10944), (8406, 9728), (8873, 9216)]