255520512

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:503

約数の個数: 216

約数和(自身を含む): 837018000

約数和(自身を除く): 581497488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 64, 72, 76, 78, 96, 104, 114, 117, 128, 144, 152, 156, 171, 192, 208, 228, 234, 247, 256, 288, 304, 312, 342, 384, 416, 449, 456, 468, 494, 576, 608, 624, 684, 741, 768, 832, 898, 912, 936, 988, 1152, 1216, 1248, 1347, 1368, 1482, 1664, 1796, 1824, 1872, 1976, 2223, 2304, 2432, 2496, 2694, 2736, 2964, 3328, 3592, 3648, 3744, 3952, 4041, 4446, 4864, 4992, 5388, 5472, 5837, 5928, 7184, 7296, 7488, 7904, 8082, 8531, 8892, 9984, 10776, 10944, 11674, 11856, 14368, 14592, 14976, 15808, 16164, 17062, 17511, 17784, 21552, 21888, 23348, 23712, 25593, 28736, 29952, 31616, 32328, 34124, 35022, 35568, 43104, 43776, 46696, 47424, 51186, 52533, 57472, 63232, 64656, 68248, 70044, 71136, 76779, 86208, 93392, 94848, 102372, 105066, 110903, 114944, 129312, 136496, 140088, 142272, 153558, 172416, 186784, 189696, 204744, 210132, 221806, 258624, 272992, 280176, 284544, 307116, 332709, 344832, 373568, 409488, 420264, 443612, 517248, 545984, 560352, 569088, 614232, 665418, 747136, 818976, 840528, 887224, 998127, 1034496, 1091968, 1120704, 1228464, 1330836, 1494272, 1637952, 1681056, 1774448, 1996254, 2183936, 2241408, 2456928, 2661672, 3275904, 3362112, 3548896, 3992508, 4482816, 4913856, 5323344, 6551808, 6724224, 7097792, 7985016, 9827712, 10646688, 13448448, 14195584, 15970032, 19655424, 21293376, 28391168, 31940064, 42586752, 63880128, 85173504, 127760256, 255520512]

約数ペア:

[(1, 255520512), (2, 127760256), (3, 85173504), (4, 63880128), (6, 42586752), (8, 31940064), (9, 28391168), (12, 21293376), (13, 19655424), (16, 15970032), (18, 14195584), (19, 13448448), (24, 10646688), (26, 9827712), (32, 7985016), (36, 7097792), (38, 6724224), (39, 6551808), (48, 5323344), (52, 4913856), (57, 4482816), (64, 3992508), (72, 3548896), (76, 3362112), (78, 3275904), (96, 2661672), (104, 2456928), (114, 2241408), (117, 2183936), (128, 1996254), (144, 1774448), (152, 1681056), (156, 1637952), (171, 1494272), (192, 1330836), (208, 1228464), (228, 1120704), (234, 1091968), (247, 1034496), (256, 998127), (288, 887224), (304, 840528), (312, 818976), (342, 747136), (384, 665418), (416, 614232), (449, 569088), (456, 560352), (468, 545984), (494, 517248), (576, 443612), (608, 420264), (624, 409488), (684, 373568), (741, 344832), (768, 332709), (832, 307116), (898, 284544), (912, 280176), (936, 272992), (988, 258624), (1152, 221806), (1216, 210132), (1248, 204744), (1347, 189696), (1368, 186784), (1482, 172416), (1664, 153558), (1796, 142272), (1824, 140088), (1872, 136496), (1976, 129312), (2223, 114944), (2304, 110903), (2432, 105066), (2496, 102372), (2694, 94848), (2736, 93392), (2964, 86208), (3328, 76779), (3592, 71136), (3648, 70044), (3744, 68248), (3952, 64656), (4041, 63232), (4446, 57472), (4864, 52533), (4992, 51186), (5388, 47424), (5472, 46696), (5837, 43776), (5928, 43104), (7184, 35568), (7296, 35022), (7488, 34124), (7904, 32328), (8082, 31616), (8531, 29952), (8892, 28736), (9984, 25593), (10776, 23712), (10944, 23348), (11674, 21888), (11856, 21552), (14368, 17784), (14592, 17511), (14976, 17062), (15808, 16164)]