81342072

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:913

約数の個数: 96

約数和(自身を含む): 253169280

約数和(自身を除く): 171827208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 251, 252, 502, 504, 643, 753, 1004, 1286, 1506, 1757, 1929, 2008, 2259, 2572, 3012, 3514, 3858, 4501, 4518, 5144, 5271, 5787, 6024, 7028, 7716, 9002, 9036, 10542, 11574, 13503, 14056, 15432, 15813, 18004, 18072, 21084, 23148, 27006, 31626, 36008, 40509, 42168, 46296, 54012, 63252, 81018, 108024, 126504, 161393, 162036, 322786, 324072, 484179, 645572, 968358, 1129751, 1291144, 1452537, 1936716, 2259502, 2905074, 3389253, 3873432, 4519004, 5810148, 6778506, 9038008, 10167759, 11620296, 13557012, 20335518, 27114024, 40671036, 81342072]

約数ペア:

[(1, 81342072), (2, 40671036), (3, 27114024), (4, 20335518), (6, 13557012), (7, 11620296), (8, 10167759), (9, 9038008), (12, 6778506), (14, 5810148), (18, 4519004), (21, 3873432), (24, 3389253), (28, 2905074), (36, 2259502), (42, 1936716), (56, 1452537), (63, 1291144), (72, 1129751), (84, 968358), (126, 645572), (168, 484179), (251, 324072), (252, 322786), (502, 162036), (504, 161393), (643, 126504), (753, 108024), (1004, 81018), (1286, 63252), (1506, 54012), (1757, 46296), (1929, 42168), (2008, 40509), (2259, 36008), (2572, 31626), (3012, 27006), (3514, 23148), (3858, 21084), (4501, 18072), (4518, 18004), (5144, 15813), (5271, 15432), (5787, 14056), (6024, 13503), (7028, 11574), (7716, 10542), (9002, 9036)]