81565968

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{641}}^1$

素因数の和:904

約数の個数: 80

約数和(自身を含む): 231181632

約数和(自身を除く): 149615664

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 241, 264, 482, 528, 641, 723, 964, 1282, 1446, 1923, 1928, 2564, 2651, 2892, 3846, 3856, 5128, 5302, 5784, 7051, 7692, 7953, 10256, 10604, 11568, 14102, 15384, 15906, 21153, 21208, 28204, 30768, 31812, 42306, 42416, 56408, 63624, 84612, 112816, 127248, 154481, 169224, 308962, 338448, 463443, 617924, 926886, 1235848, 1699291, 1853772, 2471696, 3398582, 3707544, 5097873, 6797164, 7415088, 10195746, 13594328, 20391492, 27188656, 40782984, 81565968]

約数ペア:

[(1, 81565968), (2, 40782984), (3, 27188656), (4, 20391492), (6, 13594328), (8, 10195746), (11, 7415088), (12, 6797164), (16, 5097873), (22, 3707544), (24, 3398582), (33, 2471696), (44, 1853772), (48, 1699291), (66, 1235848), (88, 926886), (132, 617924), (176, 463443), (241, 338448), (264, 308962), (482, 169224), (528, 154481), (641, 127248), (723, 112816), (964, 84612), (1282, 63624), (1446, 56408), (1923, 42416), (1928, 42306), (2564, 31812), (2651, 30768), (2892, 28204), (3846, 21208), (3856, 21153), (5128, 15906), (5302, 15384), (5784, 14102), (7051, 11568), (7692, 10604), (7953, 10256)]