208635264

素因数分解:

$2^7\times 3^4\times {\mathrm{20123}}^1$

素因数の和:20149

約数の個数: 80

約数和(自身を含む): 620926020

約数和(自身を除く): 412290756

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2592, 3456, 5184, 10368, 20123, 40246, 60369, 80492, 120738, 160984, 181107, 241476, 321968, 362214, 482952, 543321, 643936, 724428, 965904, 1086642, 1287872, 1448856, 1629963, 1931808, 2173284, 2575744, 2897712, 3259926, 3863616, 4346568, 5795424, 6519852, 7727232, 8693136, 11590848, 13039704, 17386272, 23181696, 26079408, 34772544, 52158816, 69545088, 104317632, 208635264]

約数ペア:

[(1, 208635264), (2, 104317632), (3, 69545088), (4, 52158816), (6, 34772544), (8, 26079408), (9, 23181696), (12, 17386272), (16, 13039704), (18, 11590848), (24, 8693136), (27, 7727232), (32, 6519852), (36, 5795424), (48, 4346568), (54, 3863616), (64, 3259926), (72, 2897712), (81, 2575744), (96, 2173284), (108, 1931808), (128, 1629963), (144, 1448856), (162, 1287872), (192, 1086642), (216, 965904), (288, 724428), (324, 643936), (384, 543321), (432, 482952), (576, 362214), (648, 321968), (864, 241476), (1152, 181107), (1296, 160984), (1728, 120738), (2592, 80492), (3456, 60369), (5184, 40246), (10368, 20123)]