65288080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{439}}^1$

素因数の和:489

約数の個数: 120

約数和(自身を含む): 179720640

約数和(自身を除く): 114432560

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 169, 176, 208, 220, 260, 286, 338, 439, 440, 520, 572, 676, 715, 845, 878, 880, 1040, 1144, 1352, 1430, 1690, 1756, 1859, 2195, 2288, 2704, 2860, 3380, 3512, 3718, 4390, 4829, 5707, 5720, 6760, 7024, 7436, 8780, 9295, 9658, 11414, 11440, 13520, 14872, 17560, 18590, 19316, 22828, 24145, 28535, 29744, 35120, 37180, 38632, 45656, 48290, 57070, 62777, 74191, 74360, 77264, 91312, 96580, 114140, 125554, 148382, 148720, 193160, 228280, 251108, 296764, 313885, 370955, 386320, 456560, 502216, 593528, 627770, 741910, 816101, 1004432, 1187056, 1255540, 1483820, 1632202, 2511080, 2967640, 3264404, 4080505, 5022160, 5935280, 6528808, 8161010, 13057616, 16322020, 32644040, 65288080]

約数ペア:

[(1, 65288080), (2, 32644040), (4, 16322020), (5, 13057616), (8, 8161010), (10, 6528808), (11, 5935280), (13, 5022160), (16, 4080505), (20, 3264404), (22, 2967640), (26, 2511080), (40, 1632202), (44, 1483820), (52, 1255540), (55, 1187056), (65, 1004432), (80, 816101), (88, 741910), (104, 627770), (110, 593528), (130, 502216), (143, 456560), (169, 386320), (176, 370955), (208, 313885), (220, 296764), (260, 251108), (286, 228280), (338, 193160), (439, 148720), (440, 148382), (520, 125554), (572, 114140), (676, 96580), (715, 91312), (845, 77264), (878, 74360), (880, 74191), (1040, 62777), (1144, 57070), (1352, 48290), (1430, 45656), (1690, 38632), (1756, 37180), (1859, 35120), (2195, 29744), (2288, 28535), (2704, 24145), (2860, 22828), (3380, 19316), (3512, 18590), (3718, 17560), (4390, 14872), (4829, 13520), (5707, 11440), (5720, 11414), (6760, 9658), (7024, 9295), (7436, 8780)]