278583552

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 216

約数和(自身を含む): 883891008

約数和(自身を除く): 605307456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 71, 72, 78, 96, 104, 117, 128, 131, 142, 144, 156, 192, 208, 213, 234, 256, 262, 284, 288, 312, 384, 393, 416, 426, 468, 524, 568, 576, 624, 639, 768, 786, 832, 852, 923, 936, 1048, 1136, 1152, 1179, 1248, 1278, 1572, 1664, 1703, 1704, 1846, 1872, 2096, 2272, 2304, 2358, 2496, 2556, 2769, 3144, 3328, 3406, 3408, 3692, 3744, 4192, 4544, 4716, 4992, 5109, 5112, 5538, 6288, 6812, 6816, 7384, 7488, 8307, 8384, 9088, 9301, 9432, 9984, 10218, 10224, 11076, 12576, 13624, 13632, 14768, 14976, 15327, 16614, 16768, 18176, 18602, 18864, 20436, 20448, 22152, 25152, 27248, 27264, 27903, 29536, 29952, 30654, 33228, 33536, 37204, 37728, 40872, 40896, 44304, 50304, 54496, 54528, 55806, 59072, 61308, 66456, 74408, 75456, 81744, 81792, 83709, 88608, 100608, 108992, 111612, 118144, 120913, 122616, 132912, 148816, 150912, 163488, 163584, 167418, 177216, 217984, 223224, 236288, 241826, 245232, 265824, 297632, 301824, 326976, 334836, 354432, 362739, 435968, 446448, 483652, 490464, 531648, 595264, 653952, 669672, 708864, 725478, 892896, 967304, 980928, 1063296, 1088217, 1190528, 1307904, 1339344, 1450956, 1785792, 1934608, 1961856, 2126592, 2176434, 2381056, 2678688, 2901912, 3571584, 3869216, 3923712, 4352868, 5357376, 5803824, 7143168, 7738432, 8705736, 10714752, 11607648, 15476864, 17411472, 21429504, 23215296, 30953728, 34822944, 46430592, 69645888, 92861184, 139291776, 278583552]

約数ペア:

[(1, 278583552), (2, 139291776), (3, 92861184), (4, 69645888), (6, 46430592), (8, 34822944), (9, 30953728), (12, 23215296), (13, 21429504), (16, 17411472), (18, 15476864), (24, 11607648), (26, 10714752), (32, 8705736), (36, 7738432), (39, 7143168), (48, 5803824), (52, 5357376), (64, 4352868), (71, 3923712), (72, 3869216), (78, 3571584), (96, 2901912), (104, 2678688), (117, 2381056), (128, 2176434), (131, 2126592), (142, 1961856), (144, 1934608), (156, 1785792), (192, 1450956), (208, 1339344), (213, 1307904), (234, 1190528), (256, 1088217), (262, 1063296), (284, 980928), (288, 967304), (312, 892896), (384, 725478), (393, 708864), (416, 669672), (426, 653952), (468, 595264), (524, 531648), (568, 490464), (576, 483652), (624, 446448), (639, 435968), (768, 362739), (786, 354432), (832, 334836), (852, 326976), (923, 301824), (936, 297632), (1048, 265824), (1136, 245232), (1152, 241826), (1179, 236288), (1248, 223224), (1278, 217984), (1572, 177216), (1664, 167418), (1703, 163584), (1704, 163488), (1846, 150912), (1872, 148816), (2096, 132912), (2272, 122616), (2304, 120913), (2358, 118144), (2496, 111612), (2556, 108992), (2769, 100608), (3144, 88608), (3328, 83709), (3406, 81792), (3408, 81744), (3692, 75456), (3744, 74408), (4192, 66456), (4544, 61308), (4716, 59072), (4992, 55806), (5109, 54528), (5112, 54496), (5538, 50304), (6288, 44304), (6812, 40896), (6816, 40872), (7384, 37728), (7488, 37204), (8307, 33536), (8384, 33228), (9088, 30654), (9301, 29952), (9432, 29536), (9984, 27903), (10218, 27264), (10224, 27248), (11076, 25152), (12576, 22152), (13624, 20448), (13632, 20436), (14768, 18864), (14976, 18602), (15327, 18176), (16614, 16768)]