255668784

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:403

約数の個数: 160

約数和(自身を含む): 787616256

約数和(自身を除く): 531947472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 41, 42, 48, 56, 67, 82, 84, 112, 123, 134, 164, 168, 201, 246, 268, 277, 287, 328, 336, 402, 469, 492, 536, 554, 574, 656, 804, 831, 861, 938, 984, 1072, 1108, 1148, 1407, 1608, 1662, 1722, 1876, 1939, 1968, 2216, 2296, 2747, 2814, 3216, 3324, 3444, 3752, 3878, 4432, 4592, 5494, 5628, 5817, 6648, 6888, 7504, 7756, 8241, 10988, 11256, 11357, 11634, 13296, 13776, 15512, 16482, 18559, 19229, 21976, 22512, 22714, 23268, 31024, 32964, 34071, 37118, 38458, 43952, 45428, 46536, 55677, 57687, 65928, 68142, 74236, 76916, 79499, 90856, 93072, 111354, 115374, 129913, 131856, 136284, 148472, 153832, 158998, 181712, 222708, 230748, 238497, 259826, 272568, 296944, 307664, 317996, 389739, 445416, 461496, 476994, 519652, 545136, 635992, 760919, 779478, 890832, 922992, 953988, 1039304, 1271984, 1521838, 1558956, 1907976, 2078608, 2282757, 3043676, 3117912, 3815952, 4565514, 5326433, 6087352, 6235824, 9131028, 10652866, 12174704, 15979299, 18262056, 21305732, 31958598, 36524112, 42611464, 63917196, 85222928, 127834392, 255668784]

約数ペア:

[(1, 255668784), (2, 127834392), (3, 85222928), (4, 63917196), (6, 42611464), (7, 36524112), (8, 31958598), (12, 21305732), (14, 18262056), (16, 15979299), (21, 12174704), (24, 10652866), (28, 9131028), (41, 6235824), (42, 6087352), (48, 5326433), (56, 4565514), (67, 3815952), (82, 3117912), (84, 3043676), (112, 2282757), (123, 2078608), (134, 1907976), (164, 1558956), (168, 1521838), (201, 1271984), (246, 1039304), (268, 953988), (277, 922992), (287, 890832), (328, 779478), (336, 760919), (402, 635992), (469, 545136), (492, 519652), (536, 476994), (554, 461496), (574, 445416), (656, 389739), (804, 317996), (831, 307664), (861, 296944), (938, 272568), (984, 259826), (1072, 238497), (1108, 230748), (1148, 222708), (1407, 181712), (1608, 158998), (1662, 153832), (1722, 148472), (1876, 136284), (1939, 131856), (1968, 129913), (2216, 115374), (2296, 111354), (2747, 93072), (2814, 90856), (3216, 79499), (3324, 76916), (3444, 74236), (3752, 68142), (3878, 65928), (4432, 57687), (4592, 55677), (5494, 46536), (5628, 45428), (5817, 43952), (6648, 38458), (6888, 37118), (7504, 34071), (7756, 32964), (8241, 31024), (10988, 23268), (11256, 22714), (11357, 22512), (11634, 21976), (13296, 19229), (13776, 18559), (15512, 16482)]