278906256

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1541

約数の個数: 120

約数和(自身を含む): 825034496

約数和(自身を除く): 546128240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 43, 48, 62, 72, 86, 93, 124, 129, 144, 172, 186, 248, 258, 279, 344, 372, 387, 496, 516, 558, 688, 744, 774, 1032, 1116, 1333, 1453, 1488, 1548, 2064, 2232, 2666, 2906, 3096, 3999, 4359, 4464, 5332, 5812, 6192, 7998, 8718, 10664, 11624, 11997, 13077, 15996, 17436, 21328, 23248, 23994, 26154, 31992, 34872, 45043, 47988, 52308, 62479, 63984, 69744, 90086, 95976, 104616, 124958, 135129, 180172, 187437, 191952, 209232, 249916, 270258, 360344, 374874, 405387, 499832, 540516, 562311, 720688, 749748, 810774, 999664, 1081032, 1124622, 1499496, 1621548, 1936849, 2162064, 2249244, 2998992, 3243096, 3873698, 4498488, 5810547, 6486192, 7747396, 8996976, 11621094, 15494792, 17431641, 23242188, 30989584, 34863282, 46484376, 69726564, 92968752, 139453128, 278906256]

約数ペア:

[(1, 278906256), (2, 139453128), (3, 92968752), (4, 69726564), (6, 46484376), (8, 34863282), (9, 30989584), (12, 23242188), (16, 17431641), (18, 15494792), (24, 11621094), (31, 8996976), (36, 7747396), (43, 6486192), (48, 5810547), (62, 4498488), (72, 3873698), (86, 3243096), (93, 2998992), (124, 2249244), (129, 2162064), (144, 1936849), (172, 1621548), (186, 1499496), (248, 1124622), (258, 1081032), (279, 999664), (344, 810774), (372, 749748), (387, 720688), (496, 562311), (516, 540516), (558, 499832), (688, 405387), (744, 374874), (774, 360344), (1032, 270258), (1116, 249916), (1333, 209232), (1453, 191952), (1488, 187437), (1548, 180172), (2064, 135129), (2232, 124958), (2666, 104616), (2906, 95976), (3096, 90086), (3999, 69744), (4359, 63984), (4464, 62479), (5332, 52308), (5812, 47988), (6192, 45043), (7998, 34872), (8718, 31992), (10664, 26154), (11624, 23994), (11997, 23248), (13077, 21328), (15996, 17436)]