278208672

素因数分解:

$2^5\times 3^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 240

約数和(自身を含む): 914784192

約数和(自身を除く): 636575520

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 49, 51, 56, 68, 71, 84, 96, 98, 102, 112, 119, 136, 142, 147, 168, 196, 204, 213, 224, 238, 272, 284, 294, 336, 343, 357, 392, 408, 426, 476, 497, 544, 568, 588, 672, 686, 714, 784, 816, 833, 852, 952, 994, 1029, 1136, 1176, 1207, 1372, 1428, 1491, 1568, 1632, 1666, 1704, 1904, 1988, 2058, 2272, 2352, 2401, 2414, 2499, 2744, 2856, 2982, 3332, 3408, 3479, 3621, 3808, 3976, 4116, 4704, 4802, 4828, 4998, 5488, 5712, 5831, 5964, 6664, 6816, 6958, 7203, 7242, 7952, 8232, 8449, 9604, 9656, 9996, 10437, 10976, 11424, 11662, 11928, 13328, 13916, 14406, 14484, 15904, 16464, 16898, 17493, 19208, 19312, 19992, 20874, 23324, 23856, 24353, 25347, 26656, 27832, 28812, 28968, 32928, 33796, 34986, 38416, 38624, 39984, 40817, 41748, 46648, 47712, 48706, 50694, 55664, 57624, 57936, 59143, 67592, 69972, 73059, 76832, 79968, 81634, 83496, 93296, 97412, 101388, 111328, 115248, 115872, 118286, 122451, 135184, 139944, 146118, 163268, 166992, 170471, 177429, 186592, 194824, 202776, 230496, 236572, 244902, 270368, 279888, 292236, 326536, 333984, 340942, 354858, 389648, 405552, 414001, 473144, 489804, 511413, 559776, 584472, 653072, 681884, 709716, 779296, 811104, 828002, 946288, 979608, 1022826, 1168944, 1242003, 1306144, 1363768, 1419432, 1656004, 1892576, 1959216, 2045652, 2337888, 2484006, 2727536, 2838864, 2898007, 3312008, 3918432, 4091304, 4968012, 5455072, 5677728, 5796014, 6624016, 8182608, 8694021, 9936024, 11592028, 13248032, 16365216, 17388042, 19872048, 23184056, 34776084, 39744096, 46368112, 69552168, 92736224, 139104336, 278208672]

約数ペア:

[(1, 278208672), (2, 139104336), (3, 92736224), (4, 69552168), (6, 46368112), (7, 39744096), (8, 34776084), (12, 23184056), (14, 19872048), (16, 17388042), (17, 16365216), (21, 13248032), (24, 11592028), (28, 9936024), (32, 8694021), (34, 8182608), (42, 6624016), (48, 5796014), (49, 5677728), (51, 5455072), (56, 4968012), (68, 4091304), (71, 3918432), (84, 3312008), (96, 2898007), (98, 2838864), (102, 2727536), (112, 2484006), (119, 2337888), (136, 2045652), (142, 1959216), (147, 1892576), (168, 1656004), (196, 1419432), (204, 1363768), (213, 1306144), (224, 1242003), (238, 1168944), (272, 1022826), (284, 979608), (294, 946288), (336, 828002), (343, 811104), (357, 779296), (392, 709716), (408, 681884), (426, 653072), (476, 584472), (497, 559776), (544, 511413), (568, 489804), (588, 473144), (672, 414001), (686, 405552), (714, 389648), (784, 354858), (816, 340942), (833, 333984), (852, 326536), (952, 292236), (994, 279888), (1029, 270368), (1136, 244902), (1176, 236572), (1207, 230496), (1372, 202776), (1428, 194824), (1491, 186592), (1568, 177429), (1632, 170471), (1666, 166992), (1704, 163268), (1904, 146118), (1988, 139944), (2058, 135184), (2272, 122451), (2352, 118286), (2401, 115872), (2414, 115248), (2499, 111328), (2744, 101388), (2856, 97412), (2982, 93296), (3332, 83496), (3408, 81634), (3479, 79968), (3621, 76832), (3808, 73059), (3976, 69972), (4116, 67592), (4704, 59143), (4802, 57936), (4828, 57624), (4998, 55664), (5488, 50694), (5712, 48706), (5831, 47712), (5964, 46648), (6664, 41748), (6816, 40817), (6958, 39984), (7203, 38624), (7242, 38416), (7952, 34986), (8232, 33796), (8449, 32928), (9604, 28968), (9656, 28812), (9996, 27832), (10437, 26656), (10976, 25347), (11424, 24353), (11662, 23856), (11928, 23324), (13328, 20874), (13916, 19992), (14406, 19312), (14484, 19208), (15904, 17493), (16464, 16898)]