123457264

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 301520880

約数和(自身を除く): 178063616

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 59, 68, 98, 112, 118, 119, 136, 157, 196, 236, 238, 272, 314, 392, 413, 472, 476, 628, 784, 826, 833, 944, 952, 1003, 1099, 1256, 1652, 1666, 1904, 2006, 2198, 2512, 2669, 2891, 3304, 3332, 4012, 4396, 5338, 5782, 6608, 6664, 7021, 7693, 8024, 8792, 9263, 10676, 11564, 13328, 14042, 15386, 16048, 17584, 18526, 18683, 21352, 23128, 28084, 30772, 37052, 37366, 42704, 46256, 49147, 56168, 61544, 64841, 74104, 74732, 98294, 112336, 123088, 129682, 130781, 148208, 149464, 157471, 196588, 259364, 261562, 298928, 314942, 393176, 453887, 518728, 523124, 629884, 786352, 907774, 1037456, 1046248, 1102297, 1259768, 1815548, 2092496, 2204594, 2519536, 3631096, 4409188, 7262192, 7716079, 8818376, 15432158, 17636752, 30864316, 61728632, 123457264]

約数ペア:

[(1, 123457264), (2, 61728632), (4, 30864316), (7, 17636752), (8, 15432158), (14, 8818376), (16, 7716079), (17, 7262192), (28, 4409188), (34, 3631096), (49, 2519536), (56, 2204594), (59, 2092496), (68, 1815548), (98, 1259768), (112, 1102297), (118, 1046248), (119, 1037456), (136, 907774), (157, 786352), (196, 629884), (236, 523124), (238, 518728), (272, 453887), (314, 393176), (392, 314942), (413, 298928), (472, 261562), (476, 259364), (628, 196588), (784, 157471), (826, 149464), (833, 148208), (944, 130781), (952, 129682), (1003, 123088), (1099, 112336), (1256, 98294), (1652, 74732), (1666, 74104), (1904, 64841), (2006, 61544), (2198, 56168), (2512, 49147), (2669, 46256), (2891, 42704), (3304, 37366), (3332, 37052), (4012, 30772), (4396, 28084), (5338, 23128), (5782, 21352), (6608, 18683), (6664, 18526), (7021, 17584), (7693, 16048), (8024, 15386), (8792, 14042), (9263, 13328), (10676, 11564)]