278841888

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:396

約数の個数: 216

約数和(自身を含む): 911851668

約数和(自身を除く): 633009780

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 32, 34, 36, 39, 48, 51, 52, 68, 72, 78, 96, 102, 104, 117, 136, 144, 153, 156, 169, 204, 208, 221, 234, 272, 288, 306, 312, 337, 338, 408, 416, 442, 468, 507, 544, 612, 624, 663, 674, 676, 816, 884, 936, 1011, 1014, 1224, 1248, 1326, 1348, 1352, 1521, 1632, 1768, 1872, 1989, 2022, 2028, 2448, 2652, 2696, 2704, 2873, 3033, 3042, 3536, 3744, 3978, 4044, 4056, 4381, 4896, 5304, 5392, 5408, 5729, 5746, 6066, 6084, 7072, 7956, 8088, 8112, 8619, 8762, 10608, 10784, 11458, 11492, 12132, 12168, 13143, 15912, 16176, 16224, 17187, 17238, 17524, 21216, 22916, 22984, 24264, 24336, 25857, 26286, 31824, 32352, 34374, 34476, 35048, 39429, 45832, 45968, 48528, 48672, 51561, 51714, 52572, 56953, 63648, 68748, 68952, 70096, 74477, 78858, 91664, 91936, 97056, 103122, 103428, 105144, 113906, 137496, 137904, 140192, 148954, 157716, 170859, 183328, 206244, 206856, 210288, 223431, 227812, 274992, 275808, 297908, 315432, 341718, 412488, 413712, 420576, 446862, 455624, 512577, 549984, 595816, 630864, 670293, 683436, 824976, 827424, 893724, 911248, 968201, 1025154, 1191632, 1261728, 1340586, 1366872, 1649952, 1787448, 1822496, 1936402, 2050308, 2383264, 2681172, 2733744, 2904603, 3574896, 3872804, 4100616, 5362344, 5467488, 5809206, 7149792, 7745608, 8201232, 8713809, 10724688, 11618412, 15491216, 16402464, 17427618, 21449376, 23236824, 30982432, 34855236, 46473648, 69710472, 92947296, 139420944, 278841888]

約数ペア:

[(1, 278841888), (2, 139420944), (3, 92947296), (4, 69710472), (6, 46473648), (8, 34855236), (9, 30982432), (12, 23236824), (13, 21449376), (16, 17427618), (17, 16402464), (18, 15491216), (24, 11618412), (26, 10724688), (32, 8713809), (34, 8201232), (36, 7745608), (39, 7149792), (48, 5809206), (51, 5467488), (52, 5362344), (68, 4100616), (72, 3872804), (78, 3574896), (96, 2904603), (102, 2733744), (104, 2681172), (117, 2383264), (136, 2050308), (144, 1936402), (153, 1822496), (156, 1787448), (169, 1649952), (204, 1366872), (208, 1340586), (221, 1261728), (234, 1191632), (272, 1025154), (288, 968201), (306, 911248), (312, 893724), (337, 827424), (338, 824976), (408, 683436), (416, 670293), (442, 630864), (468, 595816), (507, 549984), (544, 512577), (612, 455624), (624, 446862), (663, 420576), (674, 413712), (676, 412488), (816, 341718), (884, 315432), (936, 297908), (1011, 275808), (1014, 274992), (1224, 227812), (1248, 223431), (1326, 210288), (1348, 206856), (1352, 206244), (1521, 183328), (1632, 170859), (1768, 157716), (1872, 148954), (1989, 140192), (2022, 137904), (2028, 137496), (2448, 113906), (2652, 105144), (2696, 103428), (2704, 103122), (2873, 97056), (3033, 91936), (3042, 91664), (3536, 78858), (3744, 74477), (3978, 70096), (4044, 68952), (4056, 68748), (4381, 63648), (4896, 56953), (5304, 52572), (5392, 51714), (5408, 51561), (5729, 48672), (5746, 48528), (6066, 45968), (6084, 45832), (7072, 39429), (7956, 35048), (8088, 34476), (8112, 34374), (8619, 32352), (8762, 31824), (10608, 26286), (10784, 25857), (11458, 24336), (11492, 24264), (12132, 22984), (12168, 22916), (13143, 21216), (15912, 17524), (16176, 17238), (16224, 17187)]