255081984

素因数分解:

$2^9\times 3^1\times {\mathrm{71}}^1\times {\mathrm{2339}}^1$

素因数の和:2431

約数の個数: 80

約数和(自身を含む): 689420160

約数和(自身を除く): 434338176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 128, 142, 192, 213, 256, 284, 384, 426, 512, 568, 768, 852, 1136, 1536, 1704, 2272, 2339, 3408, 4544, 4678, 6816, 7017, 9088, 9356, 13632, 14034, 18176, 18712, 27264, 28068, 36352, 37424, 54528, 56136, 74848, 109056, 112272, 149696, 166069, 224544, 299392, 332138, 449088, 498207, 598784, 664276, 898176, 996414, 1197568, 1328552, 1796352, 1992828, 2657104, 3592704, 3985656, 5314208, 7971312, 10628416, 15942624, 21256832, 31885248, 42513664, 63770496, 85027328, 127540992, 255081984]

約数ペア:

[(1, 255081984), (2, 127540992), (3, 85027328), (4, 63770496), (6, 42513664), (8, 31885248), (12, 21256832), (16, 15942624), (24, 10628416), (32, 7971312), (48, 5314208), (64, 3985656), (71, 3592704), (96, 2657104), (128, 1992828), (142, 1796352), (192, 1328552), (213, 1197568), (256, 996414), (284, 898176), (384, 664276), (426, 598784), (512, 498207), (568, 449088), (768, 332138), (852, 299392), (1136, 224544), (1536, 166069), (1704, 149696), (2272, 112272), (2339, 109056), (3408, 74848), (4544, 56136), (4678, 54528), (6816, 37424), (7017, 36352), (9088, 28068), (9356, 27264), (13632, 18712), (14034, 18176)]