1281210112

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1358

約数の個数: 144

約数和(自身を含む): 3223306240

約数和(自身を除く): 1942096128

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 43, 52, 56, 64, 86, 91, 104, 112, 128, 172, 182, 208, 224, 256, 301, 344, 364, 416, 448, 559, 602, 688, 728, 832, 896, 1118, 1204, 1279, 1376, 1456, 1664, 1792, 2236, 2408, 2558, 2752, 2912, 3328, 3913, 4472, 4816, 5116, 5504, 5824, 7826, 8944, 8953, 9632, 10232, 11008, 11648, 15652, 16627, 17888, 17906, 19264, 20464, 23296, 31304, 33254, 35776, 35812, 38528, 40928, 54997, 62608, 66508, 71552, 71624, 77056, 81856, 109994, 116389, 125216, 133016, 143104, 143248, 163712, 219988, 232778, 250432, 266032, 286496, 327424, 384979, 439976, 465556, 500864, 532064, 572992, 714961, 769958, 879952, 931112, 1001728, 1064128, 1145984, 1429922, 1539916, 1759904, 1862224, 2128256, 2291968, 2859844, 3079832, 3519808, 3724448, 4256512, 5004727, 5719688, 6159664, 7039616, 7448896, 10009454, 11439376, 12319328, 14079232, 14897792, 20018908, 22878752, 24638656, 29795584, 40037816, 45757504, 49277312, 80075632, 91515008, 98554624, 160151264, 183030016, 320302528, 640605056, 1281210112]

約数ペア:

[(1, 1281210112), (2, 640605056), (4, 320302528), (7, 183030016), (8, 160151264), (13, 98554624), (14, 91515008), (16, 80075632), (26, 49277312), (28, 45757504), (32, 40037816), (43, 29795584), (52, 24638656), (56, 22878752), (64, 20018908), (86, 14897792), (91, 14079232), (104, 12319328), (112, 11439376), (128, 10009454), (172, 7448896), (182, 7039616), (208, 6159664), (224, 5719688), (256, 5004727), (301, 4256512), (344, 3724448), (364, 3519808), (416, 3079832), (448, 2859844), (559, 2291968), (602, 2128256), (688, 1862224), (728, 1759904), (832, 1539916), (896, 1429922), (1118, 1145984), (1204, 1064128), (1279, 1001728), (1376, 931112), (1456, 879952), (1664, 769958), (1792, 714961), (2236, 572992), (2408, 532064), (2558, 500864), (2752, 465556), (2912, 439976), (3328, 384979), (3913, 327424), (4472, 286496), (4816, 266032), (5116, 250432), (5504, 232778), (5824, 219988), (7826, 163712), (8944, 143248), (8953, 143104), (9632, 133016), (10232, 125216), (11008, 116389), (11648, 109994), (15652, 81856), (16627, 77056), (17888, 71624), (17906, 71552), (19264, 66508), (20464, 62608), (23296, 54997), (31304, 40928), (33254, 38528), (35776, 35812)]