257942016

素因数分解:

$2^9\times 3^3\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:471

約数の個数: 160

約数和(自身を含む): 781735680

約数和(自身を除く): 523793664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 64, 72, 94, 96, 108, 128, 141, 144, 188, 192, 216, 256, 282, 288, 376, 384, 397, 423, 432, 512, 564, 576, 752, 768, 794, 846, 864, 1128, 1152, 1191, 1269, 1504, 1536, 1588, 1692, 1728, 2256, 2304, 2382, 2538, 3008, 3176, 3384, 3456, 3573, 4512, 4608, 4764, 5076, 6016, 6352, 6768, 6912, 7146, 9024, 9528, 10152, 10719, 12032, 12704, 13536, 13824, 14292, 18048, 18659, 19056, 20304, 21438, 24064, 25408, 27072, 28584, 36096, 37318, 38112, 40608, 42876, 50816, 54144, 55977, 57168, 72192, 74636, 76224, 81216, 85752, 101632, 108288, 111954, 114336, 149272, 152448, 162432, 167931, 171504, 203264, 216576, 223908, 228672, 298544, 304896, 324864, 335862, 343008, 447816, 457344, 503793, 597088, 609792, 649728, 671724, 686016, 895632, 914688, 1007586, 1194176, 1343448, 1372032, 1791264, 1829376, 2015172, 2388352, 2686896, 2744064, 3582528, 4030344, 4776704, 5373792, 5488128, 7165056, 8060688, 9553408, 10747584, 14330112, 16121376, 21495168, 28660224, 32242752, 42990336, 64485504, 85980672, 128971008, 257942016]

約数ペア:

[(1, 257942016), (2, 128971008), (3, 85980672), (4, 64485504), (6, 42990336), (8, 32242752), (9, 28660224), (12, 21495168), (16, 16121376), (18, 14330112), (24, 10747584), (27, 9553408), (32, 8060688), (36, 7165056), (47, 5488128), (48, 5373792), (54, 4776704), (64, 4030344), (72, 3582528), (94, 2744064), (96, 2686896), (108, 2388352), (128, 2015172), (141, 1829376), (144, 1791264), (188, 1372032), (192, 1343448), (216, 1194176), (256, 1007586), (282, 914688), (288, 895632), (376, 686016), (384, 671724), (397, 649728), (423, 609792), (432, 597088), (512, 503793), (564, 457344), (576, 447816), (752, 343008), (768, 335862), (794, 324864), (846, 304896), (864, 298544), (1128, 228672), (1152, 223908), (1191, 216576), (1269, 203264), (1504, 171504), (1536, 167931), (1588, 162432), (1692, 152448), (1728, 149272), (2256, 114336), (2304, 111954), (2382, 108288), (2538, 101632), (3008, 85752), (3176, 81216), (3384, 76224), (3456, 74636), (3573, 72192), (4512, 57168), (4608, 55977), (4764, 54144), (5076, 50816), (6016, 42876), (6352, 40608), (6768, 38112), (6912, 37318), (7146, 36096), (9024, 28584), (9528, 27072), (10152, 25408), (10719, 24064), (12032, 21438), (12704, 20304), (13536, 19056), (13824, 18659), (14292, 18048)]