81219072

素因数分解:

$2^9\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:85

約数の個数: 240

約数和(自身を含む): 261233280

約数和(自身を除く): 180014208

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 23, 24, 32, 33, 38, 44, 46, 48, 57, 64, 66, 69, 76, 88, 92, 96, 114, 121, 128, 132, 138, 152, 176, 184, 192, 209, 228, 242, 253, 256, 264, 276, 304, 352, 363, 368, 384, 418, 437, 456, 484, 506, 512, 528, 552, 608, 627, 704, 726, 736, 759, 768, 836, 874, 912, 968, 1012, 1056, 1104, 1216, 1254, 1311, 1408, 1452, 1472, 1518, 1536, 1672, 1748, 1824, 1936, 2024, 2112, 2208, 2299, 2432, 2508, 2622, 2783, 2816, 2904, 2944, 3036, 3344, 3496, 3648, 3872, 4048, 4224, 4416, 4598, 4807, 4864, 5016, 5244, 5566, 5632, 5808, 5888, 6072, 6688, 6897, 6992, 7296, 7744, 8096, 8349, 8448, 8832, 9196, 9614, 9728, 10032, 10488, 11132, 11616, 11776, 12144, 13376, 13794, 13984, 14421, 14592, 15488, 16192, 16698, 16896, 17664, 18392, 19228, 20064, 20976, 22264, 23232, 24288, 26752, 27588, 27968, 28842, 29184, 30976, 32384, 33396, 35328, 36784, 38456, 40128, 41952, 44528, 46464, 48576, 52877, 53504, 55176, 55936, 57684, 61952, 64768, 66792, 73568, 76912, 80256, 83904, 89056, 92928, 97152, 105754, 107008, 110352, 111872, 115368, 129536, 133584, 147136, 153824, 158631, 160512, 167808, 178112, 185856, 194304, 211508, 220704, 223744, 230736, 267168, 294272, 307648, 317262, 321024, 335616, 356224, 388608, 423016, 441408, 461472, 534336, 588544, 615296, 634524, 671232, 712448, 846032, 882816, 922944, 1068672, 1177088, 1230592, 1269048, 1424896, 1692064, 1765632, 1845888, 2137344, 2461184, 2538096, 3384128, 3531264, 3691776, 4274688, 5076192, 6768256, 7383552, 10152384, 13536512, 20304768, 27073024, 40609536, 81219072]

約数ペア:

[(1, 81219072), (2, 40609536), (3, 27073024), (4, 20304768), (6, 13536512), (8, 10152384), (11, 7383552), (12, 6768256), (16, 5076192), (19, 4274688), (22, 3691776), (23, 3531264), (24, 3384128), (32, 2538096), (33, 2461184), (38, 2137344), (44, 1845888), (46, 1765632), (48, 1692064), (57, 1424896), (64, 1269048), (66, 1230592), (69, 1177088), (76, 1068672), (88, 922944), (92, 882816), (96, 846032), (114, 712448), (121, 671232), (128, 634524), (132, 615296), (138, 588544), (152, 534336), (176, 461472), (184, 441408), (192, 423016), (209, 388608), (228, 356224), (242, 335616), (253, 321024), (256, 317262), (264, 307648), (276, 294272), (304, 267168), (352, 230736), (363, 223744), (368, 220704), (384, 211508), (418, 194304), (437, 185856), (456, 178112), (484, 167808), (506, 160512), (512, 158631), (528, 153824), (552, 147136), (608, 133584), (627, 129536), (704, 115368), (726, 111872), (736, 110352), (759, 107008), (768, 105754), (836, 97152), (874, 92928), (912, 89056), (968, 83904), (1012, 80256), (1056, 76912), (1104, 73568), (1216, 66792), (1254, 64768), (1311, 61952), (1408, 57684), (1452, 55936), (1472, 55176), (1518, 53504), (1536, 52877), (1672, 48576), (1748, 46464), (1824, 44528), (1936, 41952), (2024, 40128), (2112, 38456), (2208, 36784), (2299, 35328), (2432, 33396), (2508, 32384), (2622, 30976), (2783, 29184), (2816, 28842), (2904, 27968), (2944, 27588), (3036, 26752), (3344, 24288), (3496, 23232), (3648, 22264), (3872, 20976), (4048, 20064), (4224, 19228), (4416, 18392), (4598, 17664), (4807, 16896), (4864, 16698), (5016, 16192), (5244, 15488), (5566, 14592), (5632, 14421), (5808, 13984), (5888, 13794), (6072, 13376), (6688, 12144), (6897, 11776), (6992, 11616), (7296, 11132), (7744, 10488), (8096, 10032), (8349, 9728), (8448, 9614), (8832, 9196)]