61857320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{220919}}^1$

素因数の和:220937

約数の個数: 32

約数和(自身を含む): 159062400

約数和(自身を除く): 97205080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 220919, 441838, 883676, 1104595, 1546433, 1767352, 2209190, 3092866, 4418380, 6185732, 7732165, 8836760, 12371464, 15464330, 30928660, 61857320]

約数ペア:

[(1, 61857320), (2, 30928660), (4, 15464330), (5, 12371464), (7, 8836760), (8, 7732165), (10, 6185732), (14, 4418380), (20, 3092866), (28, 2209190), (35, 1767352), (40, 1546433), (56, 1104595), (70, 883676), (140, 441838), (280, 220919)]