6657720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 20196000

約数和(自身を除く): 13538280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 509, 545, 654, 872, 1018, 1090, 1308, 1527, 1635, 2036, 2180, 2545, 2616, 3054, 3270, 4072, 4360, 5090, 6108, 6540, 7635, 10180, 12216, 13080, 15270, 20360, 30540, 55481, 61080, 110962, 166443, 221924, 277405, 332886, 443848, 554810, 665772, 832215, 1109620, 1331544, 1664430, 2219240, 3328860, 6657720]

約数ペア:

[(1, 6657720), (2, 3328860), (3, 2219240), (4, 1664430), (5, 1331544), (6, 1109620), (8, 832215), (10, 665772), (12, 554810), (15, 443848), (20, 332886), (24, 277405), (30, 221924), (40, 166443), (60, 110962), (109, 61080), (120, 55481), (218, 30540), (327, 20360), (436, 15270), (509, 13080), (545, 12216), (654, 10180), (872, 7635), (1018, 6540), (1090, 6108), (1308, 5090), (1527, 4360), (1635, 4072), (2036, 3270), (2180, 3054), (2545, 2616)]