638808768

素因数分解:

$2^6\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9479}}^1$

素因数の和:9516

約数の個数: 140

約数和(自身を含む): 2039508240

約数和(自身を除く): 1400699472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 192, 208, 216, 234, 288, 312, 324, 351, 416, 432, 468, 576, 624, 648, 702, 832, 864, 936, 1053, 1248, 1296, 1404, 1728, 1872, 2106, 2496, 2592, 2808, 3744, 4212, 5184, 5616, 7488, 8424, 9479, 11232, 16848, 18958, 22464, 28437, 33696, 37916, 56874, 67392, 75832, 85311, 113748, 123227, 151664, 170622, 227496, 246454, 255933, 303328, 341244, 369681, 454992, 492908, 511866, 606656, 682488, 739362, 767799, 909984, 985816, 1023732, 1109043, 1364976, 1478724, 1535598, 1819968, 1971632, 2047464, 2218086, 2729952, 2957448, 3071196, 3327129, 3943264, 4094928, 4436172, 5459904, 5914896, 6142392, 6654258, 7886528, 8189856, 8872344, 9981387, 11829792, 12284784, 13308516, 16379712, 17744688, 19962774, 23659584, 24569568, 26617032, 35489376, 39925548, 49139136, 53234064, 70978752, 79851096, 106468128, 159702192, 212936256, 319404384, 638808768]

約数ペア:

[(1, 638808768), (2, 319404384), (3, 212936256), (4, 159702192), (6, 106468128), (8, 79851096), (9, 70978752), (12, 53234064), (13, 49139136), (16, 39925548), (18, 35489376), (24, 26617032), (26, 24569568), (27, 23659584), (32, 19962774), (36, 17744688), (39, 16379712), (48, 13308516), (52, 12284784), (54, 11829792), (64, 9981387), (72, 8872344), (78, 8189856), (81, 7886528), (96, 6654258), (104, 6142392), (108, 5914896), (117, 5459904), (144, 4436172), (156, 4094928), (162, 3943264), (192, 3327129), (208, 3071196), (216, 2957448), (234, 2729952), (288, 2218086), (312, 2047464), (324, 1971632), (351, 1819968), (416, 1535598), (432, 1478724), (468, 1364976), (576, 1109043), (624, 1023732), (648, 985816), (702, 909984), (832, 767799), (864, 739362), (936, 682488), (1053, 606656), (1248, 511866), (1296, 492908), (1404, 454992), (1728, 369681), (1872, 341244), (2106, 303328), (2496, 255933), (2592, 246454), (2808, 227496), (3744, 170622), (4212, 151664), (5184, 123227), (5616, 113748), (7488, 85311), (8424, 75832), (9479, 67392), (11232, 56874), (16848, 37916), (18958, 33696), (22464, 28437)]