261572544

素因数分解:

$2^6\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 224

約数和(自身を含む): 838809600

約数和(自身を除く): 577237056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 31, 32, 36, 38, 48, 54, 57, 62, 64, 72, 76, 93, 96, 108, 114, 124, 144, 152, 171, 186, 192, 216, 228, 248, 257, 279, 288, 304, 342, 372, 432, 456, 496, 513, 514, 558, 576, 589, 608, 684, 744, 771, 837, 864, 912, 992, 1026, 1028, 1116, 1178, 1216, 1368, 1488, 1542, 1674, 1728, 1767, 1824, 1984, 2052, 2056, 2232, 2313, 2356, 2736, 2976, 3084, 3348, 3534, 3648, 4104, 4112, 4464, 4626, 4712, 4883, 5301, 5472, 5952, 6168, 6696, 6939, 7068, 7967, 8208, 8224, 8928, 9252, 9424, 9766, 10602, 10944, 12336, 13392, 13878, 14136, 14649, 15903, 15934, 16416, 16448, 17856, 18504, 18848, 19532, 21204, 23901, 24672, 26784, 27756, 28272, 29298, 31806, 31868, 32832, 37008, 37696, 39064, 42408, 43947, 47802, 49344, 53568, 55512, 56544, 58596, 63612, 63736, 71703, 74016, 78128, 84816, 87894, 95604, 111024, 113088, 117192, 127224, 127472, 131841, 143406, 148032, 151373, 156256, 169632, 175788, 191208, 215109, 222048, 234384, 254448, 254944, 263682, 286812, 302746, 312512, 339264, 351576, 382416, 430218, 444096, 454119, 468768, 508896, 509888, 527364, 573624, 605492, 703152, 764832, 860436, 908238, 937536, 1017792, 1054728, 1147248, 1210984, 1362357, 1406304, 1529664, 1720872, 1816476, 2109456, 2294496, 2421968, 2724714, 2812608, 3441744, 3632952, 4087071, 4218912, 4588992, 4843936, 5449428, 6883488, 7265904, 8174142, 8437824, 9687872, 10898856, 13766976, 14531808, 16348284, 21797712, 29063616, 32696568, 43595424, 65393136, 87190848, 130786272, 261572544]

約数ペア:

[(1, 261572544), (2, 130786272), (3, 87190848), (4, 65393136), (6, 43595424), (8, 32696568), (9, 29063616), (12, 21797712), (16, 16348284), (18, 14531808), (19, 13766976), (24, 10898856), (27, 9687872), (31, 8437824), (32, 8174142), (36, 7265904), (38, 6883488), (48, 5449428), (54, 4843936), (57, 4588992), (62, 4218912), (64, 4087071), (72, 3632952), (76, 3441744), (93, 2812608), (96, 2724714), (108, 2421968), (114, 2294496), (124, 2109456), (144, 1816476), (152, 1720872), (171, 1529664), (186, 1406304), (192, 1362357), (216, 1210984), (228, 1147248), (248, 1054728), (257, 1017792), (279, 937536), (288, 908238), (304, 860436), (342, 764832), (372, 703152), (432, 605492), (456, 573624), (496, 527364), (513, 509888), (514, 508896), (558, 468768), (576, 454119), (589, 444096), (608, 430218), (684, 382416), (744, 351576), (771, 339264), (837, 312512), (864, 302746), (912, 286812), (992, 263682), (1026, 254944), (1028, 254448), (1116, 234384), (1178, 222048), (1216, 215109), (1368, 191208), (1488, 175788), (1542, 169632), (1674, 156256), (1728, 151373), (1767, 148032), (1824, 143406), (1984, 131841), (2052, 127472), (2056, 127224), (2232, 117192), (2313, 113088), (2356, 111024), (2736, 95604), (2976, 87894), (3084, 84816), (3348, 78128), (3534, 74016), (3648, 71703), (4104, 63736), (4112, 63612), (4464, 58596), (4626, 56544), (4712, 55512), (4883, 53568), (5301, 49344), (5472, 47802), (5952, 43947), (6168, 42408), (6696, 39064), (6939, 37696), (7068, 37008), (7967, 32832), (8208, 31868), (8224, 31806), (8928, 29298), (9252, 28272), (9424, 27756), (9766, 26784), (10602, 24672), (10944, 23901), (12336, 21204), (13392, 19532), (13878, 18848), (14136, 18504), (14649, 17856), (15903, 16448), (15934, 16416)]