257795328

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:712

約数の個数: 144

約数和(自身を含む): 795361280

約数和(自身を除く): 537565952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 79, 84, 96, 112, 128, 158, 168, 192, 224, 237, 256, 316, 336, 384, 448, 474, 553, 607, 632, 672, 768, 896, 948, 1106, 1214, 1264, 1344, 1659, 1792, 1821, 1896, 2212, 2428, 2528, 2688, 3318, 3642, 3792, 4249, 4424, 4856, 5056, 5376, 6636, 7284, 7584, 8498, 8848, 9712, 10112, 12747, 13272, 14568, 15168, 16996, 17696, 19424, 20224, 25494, 26544, 29136, 30336, 33992, 35392, 38848, 47953, 50988, 53088, 58272, 60672, 67984, 70784, 77696, 95906, 101976, 106176, 116544, 135968, 141568, 143859, 155392, 191812, 203952, 212352, 233088, 271936, 287718, 335671, 383624, 407904, 424704, 466176, 543872, 575436, 671342, 767248, 815808, 1007013, 1087744, 1150872, 1342684, 1534496, 1631616, 2014026, 2301744, 2685368, 3068992, 3263232, 4028052, 4603488, 5370736, 6137984, 8056104, 9206976, 10741472, 12275968, 16112208, 18413952, 21482944, 32224416, 36827904, 42965888, 64448832, 85931776, 128897664, 257795328]

約数ペア:

[(1, 257795328), (2, 128897664), (3, 85931776), (4, 64448832), (6, 42965888), (7, 36827904), (8, 32224416), (12, 21482944), (14, 18413952), (16, 16112208), (21, 12275968), (24, 10741472), (28, 9206976), (32, 8056104), (42, 6137984), (48, 5370736), (56, 4603488), (64, 4028052), (79, 3263232), (84, 3068992), (96, 2685368), (112, 2301744), (128, 2014026), (158, 1631616), (168, 1534496), (192, 1342684), (224, 1150872), (237, 1087744), (256, 1007013), (316, 815808), (336, 767248), (384, 671342), (448, 575436), (474, 543872), (553, 466176), (607, 424704), (632, 407904), (672, 383624), (768, 335671), (896, 287718), (948, 271936), (1106, 233088), (1214, 212352), (1264, 203952), (1344, 191812), (1659, 155392), (1792, 143859), (1821, 141568), (1896, 135968), (2212, 116544), (2428, 106176), (2528, 101976), (2688, 95906), (3318, 77696), (3642, 70784), (3792, 67984), (4249, 60672), (4424, 58272), (4856, 53088), (5056, 50988), (5376, 47953), (6636, 38848), (7284, 35392), (7584, 33992), (8498, 30336), (8848, 29136), (9712, 26544), (10112, 25494), (12747, 20224), (13272, 19424), (14568, 17696), (15168, 16996)]