9986580

素因数分解:

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

素因数の和:633

約数の個数: 72

約数和(自身を含む): 30630600

約数和(自身を除く): 20644020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 509, 545, 654, 981, 1018, 1090, 1308, 1527, 1635, 1962, 2036, 2180, 2545, 3054, 3270, 3924, 4581, 4905, 5090, 6108, 6540, 7635, 9162, 9810, 10180, 15270, 18324, 19620, 22905, 30540, 45810, 55481, 91620, 110962, 166443, 221924, 277405, 332886, 499329, 554810, 665772, 832215, 998658, 1109620, 1664430, 1997316, 2496645, 3328860, 4993290, 9986580]

約数ペア:

[(1, 9986580), (2, 4993290), (3, 3328860), (4, 2496645), (5, 1997316), (6, 1664430), (9, 1109620), (10, 998658), (12, 832215), (15, 665772), (18, 554810), (20, 499329), (30, 332886), (36, 277405), (45, 221924), (60, 166443), (90, 110962), (109, 91620), (180, 55481), (218, 45810), (327, 30540), (436, 22905), (509, 19620), (545, 18324), (654, 15270), (981, 10180), (1018, 9810), (1090, 9162), (1308, 7635), (1527, 6540), (1635, 6108), (1962, 5090), (2036, 4905), (2180, 4581), (2545, 3924), (3054, 3270)]