168820736

素因数分解:

$2^{20}\times 7^1\times {\mathrm{23}}^1$

素因数の和:70

約数の個数: 84

約数和(自身を含む): 402652992

約数和(自身を除く): 233832256

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 322, 368, 448, 512, 644, 736, 896, 1024, 1288, 1472, 1792, 2048, 2576, 2944, 3584, 4096, 5152, 5888, 7168, 8192, 10304, 11776, 14336, 16384, 20608, 23552, 28672, 32768, 41216, 47104, 57344, 65536, 82432, 94208, 114688, 131072, 164864, 188416, 229376, 262144, 329728, 376832, 458752, 524288, 659456, 753664, 917504, 1048576, 1318912, 1507328, 1835008, 2637824, 3014656, 3670016, 5275648, 6029312, 7340032, 10551296, 12058624, 21102592, 24117248, 42205184, 84410368, 168820736]

約数ペア:

[(1, 168820736), (2, 84410368), (4, 42205184), (7, 24117248), (8, 21102592), (14, 12058624), (16, 10551296), (23, 7340032), (28, 6029312), (32, 5275648), (46, 3670016), (56, 3014656), (64, 2637824), (92, 1835008), (112, 1507328), (128, 1318912), (161, 1048576), (184, 917504), (224, 753664), (256, 659456), (322, 524288), (368, 458752), (448, 376832), (512, 329728), (644, 262144), (736, 229376), (896, 188416), (1024, 164864), (1288, 131072), (1472, 114688), (1792, 94208), (2048, 82432), (2576, 65536), (2944, 57344), (3584, 47104), (4096, 41216), (5152, 32768), (5888, 28672), (7168, 23552), (8192, 20608), (10304, 16384), (11776, 14336)]