81481728

素因数分解:

$2^{12}\times 3^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:395

約数の個数: 104

約数和(自身を含む): 229348000

約数和(自身を除く): 147866272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 256, 304, 349, 384, 456, 512, 608, 698, 768, 912, 1024, 1047, 1216, 1396, 1536, 1824, 2048, 2094, 2432, 2792, 3072, 3648, 4096, 4188, 4864, 5584, 6144, 6631, 7296, 8376, 9728, 11168, 12288, 13262, 14592, 16752, 19456, 19893, 22336, 26524, 29184, 33504, 38912, 39786, 44672, 53048, 58368, 67008, 77824, 79572, 89344, 106096, 116736, 134016, 159144, 178688, 212192, 233472, 268032, 318288, 357376, 424384, 536064, 636576, 714752, 848768, 1072128, 1273152, 1429504, 1697536, 2144256, 2546304, 3395072, 4288512, 5092608, 6790144, 10185216, 13580288, 20370432, 27160576, 40740864, 81481728]

約数ペア:

[(1, 81481728), (2, 40740864), (3, 27160576), (4, 20370432), (6, 13580288), (8, 10185216), (12, 6790144), (16, 5092608), (19, 4288512), (24, 3395072), (32, 2546304), (38, 2144256), (48, 1697536), (57, 1429504), (64, 1273152), (76, 1072128), (96, 848768), (114, 714752), (128, 636576), (152, 536064), (192, 424384), (228, 357376), (256, 318288), (304, 268032), (349, 233472), (384, 212192), (456, 178688), (512, 159144), (608, 134016), (698, 116736), (768, 106096), (912, 89344), (1024, 79572), (1047, 77824), (1216, 67008), (1396, 58368), (1536, 53048), (1824, 44672), (2048, 39786), (2094, 38912), (2432, 33504), (2792, 29184), (3072, 26524), (3648, 22336), (4096, 19893), (4188, 19456), (4864, 16752), (5584, 14592), (6144, 13262), (6631, 12288), (7296, 11168), (8376, 9728)]