81340848

素因数分解:

$2^4\times 3^5\times {\mathrm{20921}}^1$

素因数の和:20944

約数の個数: 60

約数和(自身を含む): 236083848

約数和(自身を除く): 154743000

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 20921, 41842, 62763, 83684, 125526, 167368, 188289, 251052, 334736, 376578, 502104, 564867, 753156, 1004208, 1129734, 1506312, 1694601, 2259468, 3012624, 3389202, 4518936, 5083803, 6778404, 9037872, 10167606, 13556808, 20335212, 27113616, 40670424, 81340848]

約数ペア:

[(1, 81340848), (2, 40670424), (3, 27113616), (4, 20335212), (6, 13556808), (8, 10167606), (9, 9037872), (12, 6778404), (16, 5083803), (18, 4518936), (24, 3389202), (27, 3012624), (36, 2259468), (48, 1694601), (54, 1506312), (72, 1129734), (81, 1004208), (108, 753156), (144, 564867), (162, 502104), (216, 376578), (243, 334736), (324, 251052), (432, 188289), (486, 167368), (648, 125526), (972, 83684), (1296, 62763), (1944, 41842), (3888, 20921)]