256703808

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:165

約数の個数: 224

約数和(自身を含む): 772485120

約数和(自身を除く): 515781312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 32, 34, 43, 48, 51, 59, 62, 64, 68, 86, 93, 96, 102, 118, 124, 129, 136, 172, 177, 186, 192, 204, 236, 248, 258, 272, 344, 354, 372, 408, 472, 496, 516, 527, 544, 688, 708, 731, 744, 816, 944, 992, 1003, 1032, 1054, 1088, 1333, 1376, 1416, 1462, 1488, 1581, 1632, 1829, 1888, 1984, 2006, 2064, 2108, 2193, 2537, 2666, 2752, 2832, 2924, 2976, 3009, 3162, 3264, 3658, 3776, 3999, 4012, 4128, 4216, 4386, 5074, 5332, 5487, 5664, 5848, 5952, 6018, 6324, 7316, 7611, 7998, 8024, 8256, 8432, 8772, 10148, 10664, 10974, 11328, 11696, 12036, 12648, 14632, 15222, 15996, 16048, 16864, 17544, 20296, 21328, 21948, 22661, 23392, 24072, 25296, 29264, 30444, 31093, 31992, 32096, 33728, 35088, 40592, 42656, 43129, 43896, 45322, 46784, 48144, 50592, 58528, 60888, 62186, 63984, 64192, 67983, 70176, 78647, 81184, 85312, 86258, 87792, 90644, 93279, 96288, 101184, 117056, 121776, 124372, 127968, 129387, 135966, 140352, 157294, 162368, 172516, 175584, 181288, 186558, 192576, 235941, 243552, 248744, 255936, 258774, 271932, 314588, 345032, 351168, 362576, 373116, 471882, 487104, 497488, 517548, 543864, 629176, 690064, 725152, 746232, 943764, 994976, 1035096, 1087728, 1258352, 1336999, 1380128, 1450304, 1492464, 1887528, 1989952, 2070192, 2175456, 2516704, 2673998, 2760256, 2984928, 3775056, 4010997, 4140384, 4350912, 5033408, 5347996, 5969856, 7550112, 8021994, 8280768, 10695992, 15100224, 16043988, 21391984, 32087976, 42783968, 64175952, 85567936, 128351904, 256703808]

約数ペア:

[(1, 256703808), (2, 128351904), (3, 85567936), (4, 64175952), (6, 42783968), (8, 32087976), (12, 21391984), (16, 16043988), (17, 15100224), (24, 10695992), (31, 8280768), (32, 8021994), (34, 7550112), (43, 5969856), (48, 5347996), (51, 5033408), (59, 4350912), (62, 4140384), (64, 4010997), (68, 3775056), (86, 2984928), (93, 2760256), (96, 2673998), (102, 2516704), (118, 2175456), (124, 2070192), (129, 1989952), (136, 1887528), (172, 1492464), (177, 1450304), (186, 1380128), (192, 1336999), (204, 1258352), (236, 1087728), (248, 1035096), (258, 994976), (272, 943764), (344, 746232), (354, 725152), (372, 690064), (408, 629176), (472, 543864), (496, 517548), (516, 497488), (527, 487104), (544, 471882), (688, 373116), (708, 362576), (731, 351168), (744, 345032), (816, 314588), (944, 271932), (992, 258774), (1003, 255936), (1032, 248744), (1054, 243552), (1088, 235941), (1333, 192576), (1376, 186558), (1416, 181288), (1462, 175584), (1488, 172516), (1581, 162368), (1632, 157294), (1829, 140352), (1888, 135966), (1984, 129387), (2006, 127968), (2064, 124372), (2108, 121776), (2193, 117056), (2537, 101184), (2666, 96288), (2752, 93279), (2832, 90644), (2924, 87792), (2976, 86258), (3009, 85312), (3162, 81184), (3264, 78647), (3658, 70176), (3776, 67983), (3999, 64192), (4012, 63984), (4128, 62186), (4216, 60888), (4386, 58528), (5074, 50592), (5332, 48144), (5487, 46784), (5664, 45322), (5848, 43896), (5952, 43129), (6018, 42656), (6324, 40592), (7316, 35088), (7611, 33728), (7998, 32096), (8024, 31992), (8256, 31093), (8432, 30444), (8772, 29264), (10148, 25296), (10664, 24072), (10974, 23392), (11328, 22661), (11696, 21948), (12036, 21328), (12648, 20296), (14632, 17544), (15222, 16864), (15996, 16048)]