81375744

素因数分解:

$2^9\times 3^1\times {\mathrm{31}}^1\times {\mathrm{1709}}^1$

素因数の和:1761

約数の個数: 80

約数和(自身を含む): 223914240

約数和(自身を除く): 142538496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 512, 744, 768, 992, 1488, 1536, 1709, 1984, 2976, 3418, 3968, 5127, 5952, 6836, 7936, 10254, 11904, 13672, 15872, 20508, 23808, 27344, 41016, 47616, 52979, 54688, 82032, 105958, 109376, 158937, 164064, 211916, 218752, 317874, 328128, 423832, 437504, 635748, 656256, 847664, 875008, 1271496, 1312512, 1695328, 2542992, 2625024, 3390656, 5085984, 6781312, 10171968, 13562624, 20343936, 27125248, 40687872, 81375744]

約数ペア:

[(1, 81375744), (2, 40687872), (3, 27125248), (4, 20343936), (6, 13562624), (8, 10171968), (12, 6781312), (16, 5085984), (24, 3390656), (31, 2625024), (32, 2542992), (48, 1695328), (62, 1312512), (64, 1271496), (93, 875008), (96, 847664), (124, 656256), (128, 635748), (186, 437504), (192, 423832), (248, 328128), (256, 317874), (372, 218752), (384, 211916), (496, 164064), (512, 158937), (744, 109376), (768, 105958), (992, 82032), (1488, 54688), (1536, 52979), (1709, 47616), (1984, 41016), (2976, 27344), (3418, 23808), (3968, 20508), (5127, 15872), (5952, 13672), (6836, 11904), (7936, 10254)]