123576320

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{431}}^1$

素因数の和:469

約数の個数: 112

約数和(自身を含む): 339717888

約数和(自身を除く): 216141568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 431, 448, 512, 560, 640, 862, 896, 1024, 1120, 1280, 1724, 1792, 2048, 2155, 2240, 2560, 3017, 3448, 3584, 4096, 4310, 4480, 5120, 6034, 6896, 7168, 8192, 8620, 8960, 10240, 12068, 13792, 14336, 15085, 17240, 17920, 20480, 24136, 27584, 28672, 30170, 34480, 35840, 40960, 48272, 55168, 57344, 60340, 68960, 71680, 96544, 110336, 120680, 137920, 143360, 193088, 220672, 241360, 275840, 286720, 386176, 441344, 482720, 551680, 772352, 882688, 965440, 1103360, 1544704, 1765376, 1930880, 2206720, 3089408, 3530752, 3861760, 4413440, 6178816, 7723520, 8826880, 12357632, 15447040, 17653760, 24715264, 30894080, 61788160, 123576320]

約数ペア:

[(1, 123576320), (2, 61788160), (4, 30894080), (5, 24715264), (7, 17653760), (8, 15447040), (10, 12357632), (14, 8826880), (16, 7723520), (20, 6178816), (28, 4413440), (32, 3861760), (35, 3530752), (40, 3089408), (56, 2206720), (64, 1930880), (70, 1765376), (80, 1544704), (112, 1103360), (128, 965440), (140, 882688), (160, 772352), (224, 551680), (256, 482720), (280, 441344), (320, 386176), (431, 286720), (448, 275840), (512, 241360), (560, 220672), (640, 193088), (862, 143360), (896, 137920), (1024, 120680), (1120, 110336), (1280, 96544), (1724, 71680), (1792, 68960), (2048, 60340), (2155, 57344), (2240, 55168), (2560, 48272), (3017, 40960), (3448, 35840), (3584, 34480), (4096, 30170), (4310, 28672), (4480, 27584), (5120, 24136), (6034, 20480), (6896, 17920), (7168, 17240), (8192, 15085), (8620, 14336), (8960, 13792), (10240, 12068)]