81360384

素因数分解:

$2^9\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 240

約数和(自身を含む): 268697088

約数和(自身を除く): 187336704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 47, 48, 49, 56, 64, 69, 84, 92, 94, 96, 98, 112, 128, 138, 141, 147, 161, 168, 184, 188, 192, 196, 224, 256, 276, 282, 294, 322, 329, 336, 368, 376, 384, 392, 448, 483, 512, 552, 564, 588, 644, 658, 672, 736, 752, 768, 784, 896, 966, 987, 1081, 1104, 1127, 1128, 1176, 1288, 1316, 1344, 1472, 1504, 1536, 1568, 1792, 1932, 1974, 2162, 2208, 2254, 2256, 2303, 2352, 2576, 2632, 2688, 2944, 3008, 3136, 3243, 3381, 3584, 3864, 3948, 4324, 4416, 4508, 4512, 4606, 4704, 5152, 5264, 5376, 5888, 6016, 6272, 6486, 6762, 6909, 7567, 7728, 7896, 8648, 8832, 9016, 9024, 9212, 9408, 10304, 10528, 10752, 11776, 12032, 12544, 12972, 13524, 13818, 15134, 15456, 15792, 17296, 17664, 18032, 18048, 18424, 18816, 20608, 21056, 22701, 24064, 25088, 25944, 27048, 27636, 30268, 30912, 31584, 34592, 35328, 36064, 36096, 36848, 37632, 41216, 42112, 45402, 51888, 52969, 54096, 55272, 60536, 61824, 63168, 69184, 72128, 72192, 73696, 75264, 82432, 84224, 90804, 103776, 105938, 108192, 110544, 121072, 123648, 126336, 138368, 144256, 147392, 158907, 168448, 181608, 207552, 211876, 216384, 221088, 242144, 247296, 252672, 276736, 288512, 294784, 317814, 363216, 415104, 423752, 432768, 442176, 484288, 505344, 553472, 577024, 589568, 635628, 726432, 830208, 847504, 865536, 884352, 968576, 1179136, 1271256, 1452864, 1660416, 1695008, 1731072, 1768704, 1937152, 2542512, 2905728, 3390016, 3537408, 3874304, 5085024, 5811456, 6780032, 10170048, 11622912, 13560064, 20340096, 27120128, 40680192, 81360384]

約数ペア:

[(1, 81360384), (2, 40680192), (3, 27120128), (4, 20340096), (6, 13560064), (7, 11622912), (8, 10170048), (12, 6780032), (14, 5811456), (16, 5085024), (21, 3874304), (23, 3537408), (24, 3390016), (28, 2905728), (32, 2542512), (42, 1937152), (46, 1768704), (47, 1731072), (48, 1695008), (49, 1660416), (56, 1452864), (64, 1271256), (69, 1179136), (84, 968576), (92, 884352), (94, 865536), (96, 847504), (98, 830208), (112, 726432), (128, 635628), (138, 589568), (141, 577024), (147, 553472), (161, 505344), (168, 484288), (184, 442176), (188, 432768), (192, 423752), (196, 415104), (224, 363216), (256, 317814), (276, 294784), (282, 288512), (294, 276736), (322, 252672), (329, 247296), (336, 242144), (368, 221088), (376, 216384), (384, 211876), (392, 207552), (448, 181608), (483, 168448), (512, 158907), (552, 147392), (564, 144256), (588, 138368), (644, 126336), (658, 123648), (672, 121072), (736, 110544), (752, 108192), (768, 105938), (784, 103776), (896, 90804), (966, 84224), (987, 82432), (1081, 75264), (1104, 73696), (1127, 72192), (1128, 72128), (1176, 69184), (1288, 63168), (1316, 61824), (1344, 60536), (1472, 55272), (1504, 54096), (1536, 52969), (1568, 51888), (1792, 45402), (1932, 42112), (1974, 41216), (2162, 37632), (2208, 36848), (2254, 36096), (2256, 36064), (2303, 35328), (2352, 34592), (2576, 31584), (2632, 30912), (2688, 30268), (2944, 27636), (3008, 27048), (3136, 25944), (3243, 25088), (3381, 24064), (3584, 22701), (3864, 21056), (3948, 20608), (4324, 18816), (4416, 18424), (4508, 18048), (4512, 18032), (4606, 17664), (4704, 17296), (5152, 15792), (5264, 15456), (5376, 15134), (5888, 13818), (6016, 13524), (6272, 12972), (6486, 12544), (6762, 12032), (6909, 11776), (7567, 10752), (7728, 10528), (7896, 10304), (8648, 9408), (8832, 9212), (9016, 9024)]