181172320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{161761}}^1$

素因数の和:161783

約数の個数: 48

約数和(自身を含む): 489168288

約数和(自身を除く): 307995968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 161761, 323522, 647044, 808805, 1132327, 1294088, 1617610, 2264654, 2588176, 3235220, 4529308, 5176352, 5661635, 6470440, 9058616, 11323270, 12940880, 18117232, 22646540, 25881760, 36234464, 45293080, 90586160, 181172320]

約数ペア:

[(1, 181172320), (2, 90586160), (4, 45293080), (5, 36234464), (7, 25881760), (8, 22646540), (10, 18117232), (14, 12940880), (16, 11323270), (20, 9058616), (28, 6470440), (32, 5661635), (35, 5176352), (40, 4529308), (56, 3235220), (70, 2588176), (80, 2264654), (112, 1617610), (140, 1294088), (160, 1132327), (224, 808805), (280, 647044), (560, 323522), (1120, 161761)]