257677056

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1271

約数の個数: 216

約数和(自身を含む): 915139680

約数和(自身を除く): 657462624

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 64, 72, 78, 84, 91, 96, 104, 112, 117, 126, 128, 144, 156, 168, 182, 192, 208, 224, 234, 252, 256, 273, 288, 312, 336, 364, 384, 416, 448, 468, 504, 546, 576, 624, 672, 728, 768, 819, 832, 896, 936, 1008, 1092, 1152, 1229, 1248, 1344, 1456, 1638, 1664, 1792, 1872, 2016, 2184, 2304, 2458, 2496, 2688, 2912, 3276, 3328, 3687, 3744, 4032, 4368, 4916, 4992, 5376, 5824, 6552, 7374, 7488, 8064, 8603, 8736, 9832, 9984, 11061, 11648, 13104, 14748, 14976, 15977, 16128, 17206, 17472, 19664, 22122, 23296, 25809, 26208, 29496, 29952, 31954, 34412, 34944, 39328, 44244, 47931, 51618, 52416, 58992, 63908, 68824, 69888, 77427, 78656, 88488, 95862, 103236, 104832, 111839, 117984, 127816, 137648, 143793, 154854, 157312, 176976, 191724, 206472, 209664, 223678, 235968, 255632, 275296, 287586, 309708, 314624, 335517, 353952, 383448, 412944, 447356, 471936, 511264, 550592, 575172, 619416, 671034, 707904, 766896, 825888, 894712, 943872, 1006551, 1022528, 1101184, 1150344, 1238832, 1342068, 1415808, 1533792, 1651776, 1789424, 2013102, 2045056, 2202368, 2300688, 2477664, 2684136, 2831616, 3067584, 3303552, 3578848, 4026204, 4090112, 4601376, 4955328, 5368272, 6135168, 6607104, 7157696, 8052408, 9202752, 9910656, 10736544, 12270336, 14315392, 16104816, 18405504, 19821312, 21473088, 28630784, 32209632, 36811008, 42946176, 64419264, 85892352, 128838528, 257677056]

約数ペア:

[(1, 257677056), (2, 128838528), (3, 85892352), (4, 64419264), (6, 42946176), (7, 36811008), (8, 32209632), (9, 28630784), (12, 21473088), (13, 19821312), (14, 18405504), (16, 16104816), (18, 14315392), (21, 12270336), (24, 10736544), (26, 9910656), (28, 9202752), (32, 8052408), (36, 7157696), (39, 6607104), (42, 6135168), (48, 5368272), (52, 4955328), (56, 4601376), (63, 4090112), (64, 4026204), (72, 3578848), (78, 3303552), (84, 3067584), (91, 2831616), (96, 2684136), (104, 2477664), (112, 2300688), (117, 2202368), (126, 2045056), (128, 2013102), (144, 1789424), (156, 1651776), (168, 1533792), (182, 1415808), (192, 1342068), (208, 1238832), (224, 1150344), (234, 1101184), (252, 1022528), (256, 1006551), (273, 943872), (288, 894712), (312, 825888), (336, 766896), (364, 707904), (384, 671034), (416, 619416), (448, 575172), (468, 550592), (504, 511264), (546, 471936), (576, 447356), (624, 412944), (672, 383448), (728, 353952), (768, 335517), (819, 314624), (832, 309708), (896, 287586), (936, 275296), (1008, 255632), (1092, 235968), (1152, 223678), (1229, 209664), (1248, 206472), (1344, 191724), (1456, 176976), (1638, 157312), (1664, 154854), (1792, 143793), (1872, 137648), (2016, 127816), (2184, 117984), (2304, 111839), (2458, 104832), (2496, 103236), (2688, 95862), (2912, 88488), (3276, 78656), (3328, 77427), (3687, 69888), (3744, 68824), (4032, 63908), (4368, 58992), (4916, 52416), (4992, 51618), (5376, 47931), (5824, 44244), (6552, 39328), (7374, 34944), (7488, 34412), (8064, 31954), (8603, 29952), (8736, 29496), (9832, 26208), (9984, 25809), (11061, 23296), (11648, 22122), (13104, 19664), (14748, 17472), (14976, 17206), (15977, 16128)]