161278208

素因数分解:

$2^8\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 216

約数和(自身を含む): 430613568

約数和(自身を除く): 269335360

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 43, 46, 49, 52, 56, 64, 86, 91, 92, 98, 104, 112, 128, 161, 172, 182, 184, 196, 208, 224, 256, 299, 301, 322, 344, 364, 368, 392, 416, 448, 559, 598, 602, 637, 644, 688, 728, 736, 784, 832, 896, 989, 1118, 1127, 1196, 1204, 1274, 1288, 1376, 1456, 1472, 1568, 1664, 1792, 1978, 2093, 2107, 2236, 2254, 2392, 2408, 2548, 2576, 2752, 2912, 2944, 3136, 3328, 3913, 3956, 4186, 4214, 4472, 4508, 4784, 4816, 5096, 5152, 5504, 5824, 5888, 6272, 6923, 7826, 7912, 8372, 8428, 8944, 9016, 9568, 9632, 10192, 10304, 11008, 11648, 12544, 12857, 13846, 14651, 15652, 15824, 16744, 16856, 17888, 18032, 19136, 19264, 20384, 20608, 23296, 25714, 27391, 27692, 29302, 31304, 31648, 33488, 33712, 35776, 36064, 38272, 38528, 40768, 41216, 48461, 51428, 54782, 55384, 58604, 62608, 63296, 66976, 67424, 71552, 72128, 76544, 77056, 81536, 89999, 96922, 102856, 109564, 110768, 117208, 125216, 126592, 133952, 134848, 143104, 144256, 163072, 179998, 193844, 205712, 219128, 221536, 234416, 250432, 253184, 267904, 269696, 288512, 359996, 387688, 411424, 438256, 443072, 468832, 500864, 535808, 539392, 629993, 719992, 775376, 822848, 876512, 886144, 937664, 1001728, 1259986, 1439984, 1550752, 1645696, 1753024, 1772288, 1875328, 2519972, 2879968, 3101504, 3291392, 3506048, 3750656, 5039944, 5759936, 6203008, 7012096, 10079888, 11519872, 12406016, 20159776, 23039744, 40319552, 80639104, 161278208]

約数ペア:

[(1, 161278208), (2, 80639104), (4, 40319552), (7, 23039744), (8, 20159776), (13, 12406016), (14, 11519872), (16, 10079888), (23, 7012096), (26, 6203008), (28, 5759936), (32, 5039944), (43, 3750656), (46, 3506048), (49, 3291392), (52, 3101504), (56, 2879968), (64, 2519972), (86, 1875328), (91, 1772288), (92, 1753024), (98, 1645696), (104, 1550752), (112, 1439984), (128, 1259986), (161, 1001728), (172, 937664), (182, 886144), (184, 876512), (196, 822848), (208, 775376), (224, 719992), (256, 629993), (299, 539392), (301, 535808), (322, 500864), (344, 468832), (364, 443072), (368, 438256), (392, 411424), (416, 387688), (448, 359996), (559, 288512), (598, 269696), (602, 267904), (637, 253184), (644, 250432), (688, 234416), (728, 221536), (736, 219128), (784, 205712), (832, 193844), (896, 179998), (989, 163072), (1118, 144256), (1127, 143104), (1196, 134848), (1204, 133952), (1274, 126592), (1288, 125216), (1376, 117208), (1456, 110768), (1472, 109564), (1568, 102856), (1664, 96922), (1792, 89999), (1978, 81536), (2093, 77056), (2107, 76544), (2236, 72128), (2254, 71552), (2392, 67424), (2408, 66976), (2548, 63296), (2576, 62608), (2752, 58604), (2912, 55384), (2944, 54782), (3136, 51428), (3328, 48461), (3913, 41216), (3956, 40768), (4186, 38528), (4214, 38272), (4472, 36064), (4508, 35776), (4784, 33712), (4816, 33488), (5096, 31648), (5152, 31304), (5504, 29302), (5824, 27692), (5888, 27391), (6272, 25714), (6923, 23296), (7826, 20608), (7912, 20384), (8372, 19264), (8428, 19136), (8944, 18032), (9016, 17888), (9568, 16856), (9632, 16744), (10192, 15824), (10304, 15652), (11008, 14651), (11648, 13846), (12544, 12857)]