257715648

素因数分解:

$2^6\times 3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:352

約数の個数: 224

約数和(自身を含む): 831006720

約数和(自身を除く): 573291072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 31, 32, 34, 36, 48, 51, 54, 62, 64, 68, 72, 93, 96, 102, 108, 124, 136, 144, 153, 186, 192, 204, 216, 248, 272, 279, 283, 288, 306, 372, 408, 432, 459, 496, 527, 544, 558, 566, 576, 612, 744, 816, 837, 849, 864, 918, 992, 1054, 1088, 1116, 1132, 1224, 1488, 1581, 1632, 1674, 1698, 1728, 1836, 1984, 2108, 2232, 2264, 2448, 2547, 2976, 3162, 3264, 3348, 3396, 3672, 4216, 4464, 4528, 4743, 4811, 4896, 5094, 5952, 6324, 6696, 6792, 7344, 7641, 8432, 8773, 8928, 9056, 9486, 9622, 9792, 10188, 12648, 13392, 13584, 14229, 14433, 14688, 15282, 16864, 17546, 17856, 18112, 18972, 19244, 20376, 25296, 26319, 26784, 27168, 28458, 28866, 29376, 30564, 33728, 35092, 37944, 38488, 40752, 43299, 50592, 52638, 53568, 54336, 56916, 57732, 61128, 70184, 75888, 76976, 78957, 81504, 86598, 101184, 105276, 113832, 115464, 122256, 129897, 140368, 149141, 151776, 153952, 157914, 163008, 173196, 210552, 227664, 230928, 236871, 244512, 259794, 280736, 298282, 303552, 307904, 315828, 346392, 421104, 447423, 455328, 461856, 473742, 489024, 519588, 561472, 596564, 631656, 692784, 842208, 894846, 910656, 923712, 947484, 1039176, 1193128, 1263312, 1342269, 1385568, 1684416, 1789692, 1894968, 2078352, 2386256, 2526624, 2684538, 2771136, 3579384, 3789936, 4026807, 4156704, 4772512, 5053248, 5369076, 7158768, 7579872, 8053614, 8313408, 9545024, 10738152, 14317536, 15159744, 16107228, 21476304, 28635072, 32214456, 42952608, 64428912, 85905216, 128857824, 257715648]

約数ペア:

[(1, 257715648), (2, 128857824), (3, 85905216), (4, 64428912), (6, 42952608), (8, 32214456), (9, 28635072), (12, 21476304), (16, 16107228), (17, 15159744), (18, 14317536), (24, 10738152), (27, 9545024), (31, 8313408), (32, 8053614), (34, 7579872), (36, 7158768), (48, 5369076), (51, 5053248), (54, 4772512), (62, 4156704), (64, 4026807), (68, 3789936), (72, 3579384), (93, 2771136), (96, 2684538), (102, 2526624), (108, 2386256), (124, 2078352), (136, 1894968), (144, 1789692), (153, 1684416), (186, 1385568), (192, 1342269), (204, 1263312), (216, 1193128), (248, 1039176), (272, 947484), (279, 923712), (283, 910656), (288, 894846), (306, 842208), (372, 692784), (408, 631656), (432, 596564), (459, 561472), (496, 519588), (527, 489024), (544, 473742), (558, 461856), (566, 455328), (576, 447423), (612, 421104), (744, 346392), (816, 315828), (837, 307904), (849, 303552), (864, 298282), (918, 280736), (992, 259794), (1054, 244512), (1088, 236871), (1116, 230928), (1132, 227664), (1224, 210552), (1488, 173196), (1581, 163008), (1632, 157914), (1674, 153952), (1698, 151776), (1728, 149141), (1836, 140368), (1984, 129897), (2108, 122256), (2232, 115464), (2264, 113832), (2448, 105276), (2547, 101184), (2976, 86598), (3162, 81504), (3264, 78957), (3348, 76976), (3396, 75888), (3672, 70184), (4216, 61128), (4464, 57732), (4528, 56916), (4743, 54336), (4811, 53568), (4896, 52638), (5094, 50592), (5952, 43299), (6324, 40752), (6696, 38488), (6792, 37944), (7344, 35092), (7641, 33728), (8432, 30564), (8773, 29376), (8928, 28866), (9056, 28458), (9486, 27168), (9622, 26784), (9792, 26319), (10188, 25296), (12648, 20376), (13392, 19244), (13584, 18972), (14229, 18112), (14433, 17856), (14688, 17546), (15282, 16864)]