257340672

素因数分解:

$2^8\times 3^3\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1257

約数の個数: 144

約数和(自身を含む): 786204160

約数和(自身を除く): 528863488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 128, 144, 186, 192, 216, 248, 256, 279, 288, 372, 384, 432, 496, 558, 576, 744, 768, 837, 864, 992, 1116, 1152, 1201, 1488, 1674, 1728, 1984, 2232, 2304, 2402, 2976, 3348, 3456, 3603, 3968, 4464, 4804, 5952, 6696, 6912, 7206, 7936, 8928, 9608, 10809, 11904, 13392, 14412, 17856, 19216, 21618, 23808, 26784, 28824, 32427, 35712, 37231, 38432, 43236, 53568, 57648, 64854, 71424, 74462, 76864, 86472, 107136, 111693, 115296, 129708, 148924, 153728, 172944, 214272, 223386, 230592, 259416, 297848, 307456, 335079, 345888, 446772, 461184, 518832, 595696, 670158, 691776, 893544, 922368, 1005237, 1037664, 1191392, 1340316, 1383552, 1787088, 2010474, 2075328, 2382784, 2680632, 2767104, 3574176, 4020948, 4150656, 4765568, 5361264, 7148352, 8041896, 8301312, 9531136, 10722528, 14296704, 16083792, 21445056, 28593408, 32167584, 42890112, 64335168, 85780224, 128670336, 257340672]

約数ペア:

[(1, 257340672), (2, 128670336), (3, 85780224), (4, 64335168), (6, 42890112), (8, 32167584), (9, 28593408), (12, 21445056), (16, 16083792), (18, 14296704), (24, 10722528), (27, 9531136), (31, 8301312), (32, 8041896), (36, 7148352), (48, 5361264), (54, 4765568), (62, 4150656), (64, 4020948), (72, 3574176), (93, 2767104), (96, 2680632), (108, 2382784), (124, 2075328), (128, 2010474), (144, 1787088), (186, 1383552), (192, 1340316), (216, 1191392), (248, 1037664), (256, 1005237), (279, 922368), (288, 893544), (372, 691776), (384, 670158), (432, 595696), (496, 518832), (558, 461184), (576, 446772), (744, 345888), (768, 335079), (837, 307456), (864, 297848), (992, 259416), (1116, 230592), (1152, 223386), (1201, 214272), (1488, 172944), (1674, 153728), (1728, 148924), (1984, 129708), (2232, 115296), (2304, 111693), (2402, 107136), (2976, 86472), (3348, 76864), (3456, 74462), (3603, 71424), (3968, 64854), (4464, 57648), (4804, 53568), (5952, 43236), (6696, 38432), (6912, 37231), (7206, 35712), (7936, 32427), (8928, 28824), (9608, 26784), (10809, 23808), (11904, 21618), (13392, 19216), (14412, 17856)]