257023728

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 240

約数和(自身を含む): 826169344

約数和(自身を除く): 569145616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 43, 48, 52, 62, 72, 78, 86, 93, 103, 104, 117, 124, 129, 144, 156, 172, 186, 206, 208, 234, 248, 258, 279, 309, 312, 344, 372, 387, 403, 412, 468, 496, 516, 558, 559, 618, 624, 688, 744, 774, 806, 824, 927, 936, 1032, 1116, 1118, 1209, 1236, 1333, 1339, 1488, 1548, 1612, 1648, 1677, 1854, 1872, 2064, 2232, 2236, 2418, 2472, 2666, 2678, 3096, 3193, 3224, 3354, 3627, 3708, 3999, 4017, 4429, 4464, 4472, 4836, 4944, 5031, 5332, 5356, 6192, 6386, 6448, 6708, 7254, 7416, 7998, 8034, 8858, 8944, 9579, 9672, 10062, 10664, 10712, 11997, 12051, 12772, 13287, 13416, 14508, 14832, 15996, 16068, 17329, 17716, 19158, 19344, 20124, 21328, 21424, 23994, 24102, 25544, 26574, 26832, 28737, 29016, 31992, 32136, 34658, 35432, 38316, 39861, 40248, 41509, 47988, 48204, 51088, 51987, 53148, 57474, 57577, 58032, 63984, 64272, 69316, 70864, 76632, 79722, 80496, 83018, 95976, 96408, 103974, 106296, 114948, 115154, 124527, 137299, 138632, 153264, 155961, 159444, 166036, 172731, 191952, 192816, 207948, 212592, 229896, 230308, 249054, 274598, 277264, 311922, 318888, 332072, 345462, 373581, 411897, 415896, 459792, 460616, 498108, 518193, 549196, 623844, 637776, 664144, 690924, 747162, 823794, 831792, 921232, 996216, 1036386, 1098392, 1235691, 1247688, 1381848, 1494324, 1647588, 1784887, 1992432, 2072772, 2196784, 2471382, 2495376, 2763696, 2988648, 3295176, 3569774, 4145544, 4942764, 5354661, 5977296, 6590352, 7139548, 8291088, 9885528, 10709322, 14279096, 16063983, 19771056, 21418644, 28558192, 32127966, 42837288, 64255932, 85674576, 128511864, 257023728]

約数ペア:

[(1, 257023728), (2, 128511864), (3, 85674576), (4, 64255932), (6, 42837288), (8, 32127966), (9, 28558192), (12, 21418644), (13, 19771056), (16, 16063983), (18, 14279096), (24, 10709322), (26, 9885528), (31, 8291088), (36, 7139548), (39, 6590352), (43, 5977296), (48, 5354661), (52, 4942764), (62, 4145544), (72, 3569774), (78, 3295176), (86, 2988648), (93, 2763696), (103, 2495376), (104, 2471382), (117, 2196784), (124, 2072772), (129, 1992432), (144, 1784887), (156, 1647588), (172, 1494324), (186, 1381848), (206, 1247688), (208, 1235691), (234, 1098392), (248, 1036386), (258, 996216), (279, 921232), (309, 831792), (312, 823794), (344, 747162), (372, 690924), (387, 664144), (403, 637776), (412, 623844), (468, 549196), (496, 518193), (516, 498108), (558, 460616), (559, 459792), (618, 415896), (624, 411897), (688, 373581), (744, 345462), (774, 332072), (806, 318888), (824, 311922), (927, 277264), (936, 274598), (1032, 249054), (1116, 230308), (1118, 229896), (1209, 212592), (1236, 207948), (1333, 192816), (1339, 191952), (1488, 172731), (1548, 166036), (1612, 159444), (1648, 155961), (1677, 153264), (1854, 138632), (1872, 137299), (2064, 124527), (2232, 115154), (2236, 114948), (2418, 106296), (2472, 103974), (2666, 96408), (2678, 95976), (3096, 83018), (3193, 80496), (3224, 79722), (3354, 76632), (3627, 70864), (3708, 69316), (3999, 64272), (4017, 63984), (4429, 58032), (4464, 57577), (4472, 57474), (4836, 53148), (4944, 51987), (5031, 51088), (5332, 48204), (5356, 47988), (6192, 41509), (6386, 40248), (6448, 39861), (6708, 38316), (7254, 35432), (7416, 34658), (7998, 32136), (8034, 31992), (8858, 29016), (8944, 28737), (9579, 26832), (9672, 26574), (10062, 25544), (10664, 24102), (10712, 23994), (11997, 21424), (12051, 21328), (12772, 20124), (13287, 19344), (13416, 19158), (14508, 17716), (14832, 17329), (15996, 16068)]