68989860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{509}}^1$

素因数の和:778

約数の個数: 96

約数和(自身を含む): 215913600

約数和(自身を除く): 146923740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 251, 270, 502, 509, 540, 753, 1004, 1018, 1255, 1506, 1527, 2036, 2259, 2510, 2545, 3012, 3054, 3765, 4518, 4581, 5020, 5090, 6108, 6777, 7530, 7635, 9036, 9162, 10180, 11295, 13554, 13743, 15060, 15270, 18324, 22590, 22905, 27108, 27486, 30540, 33885, 45180, 45810, 54972, 67770, 68715, 91620, 127759, 135540, 137430, 255518, 274860, 383277, 511036, 638795, 766554, 1149831, 1277590, 1533108, 1916385, 2299662, 2555180, 3449493, 3832770, 4599324, 5749155, 6898986, 7665540, 11498310, 13797972, 17247465, 22996620, 34494930, 68989860]

約数ペア:

[(1, 68989860), (2, 34494930), (3, 22996620), (4, 17247465), (5, 13797972), (6, 11498310), (9, 7665540), (10, 6898986), (12, 5749155), (15, 4599324), (18, 3832770), (20, 3449493), (27, 2555180), (30, 2299662), (36, 1916385), (45, 1533108), (54, 1277590), (60, 1149831), (90, 766554), (108, 638795), (135, 511036), (180, 383277), (251, 274860), (270, 255518), (502, 137430), (509, 135540), (540, 127759), (753, 91620), (1004, 68715), (1018, 67770), (1255, 54972), (1506, 45810), (1527, 45180), (2036, 33885), (2259, 30540), (2510, 27486), (2545, 27108), (3012, 22905), (3054, 22590), (3765, 18324), (4518, 15270), (4581, 15060), (5020, 13743), (5090, 13554), (6108, 11295), (6777, 10180), (7530, 9162), (7635, 9036)]