81569592

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 160

約数和(自身を含む): 257352480

約数和(自身を除く): 175782888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 27, 36, 39, 46, 52, 54, 69, 72, 78, 81, 92, 104, 108, 117, 138, 156, 162, 184, 207, 216, 234, 276, 299, 312, 324, 351, 414, 421, 468, 552, 598, 621, 648, 702, 828, 842, 897, 936, 1053, 1196, 1242, 1263, 1404, 1656, 1684, 1794, 1863, 2106, 2392, 2484, 2526, 2691, 2808, 3368, 3588, 3726, 3789, 4212, 4968, 5052, 5382, 5473, 7176, 7452, 7578, 8073, 8424, 9683, 10104, 10764, 10946, 11367, 14904, 15156, 16146, 16419, 19366, 21528, 21892, 22734, 24219, 29049, 30312, 32292, 32838, 34101, 38732, 43784, 45468, 48438, 49257, 58098, 64584, 65676, 68202, 77464, 87147, 90936, 96876, 98514, 116196, 125879, 131352, 136404, 147771, 174294, 193752, 197028, 232392, 251758, 261441, 272808, 295542, 348588, 377637, 394056, 443313, 503516, 522882, 591084, 697176, 755274, 784323, 886626, 1007032, 1045764, 1132911, 1182168, 1510548, 1568646, 1773252, 2091528, 2265822, 3021096, 3137292, 3398733, 3546504, 4531644, 6274584, 6797466, 9063288, 10196199, 13594932, 20392398, 27189864, 40784796, 81569592]

約数ペア:

[(1, 81569592), (2, 40784796), (3, 27189864), (4, 20392398), (6, 13594932), (8, 10196199), (9, 9063288), (12, 6797466), (13, 6274584), (18, 4531644), (23, 3546504), (24, 3398733), (26, 3137292), (27, 3021096), (36, 2265822), (39, 2091528), (46, 1773252), (52, 1568646), (54, 1510548), (69, 1182168), (72, 1132911), (78, 1045764), (81, 1007032), (92, 886626), (104, 784323), (108, 755274), (117, 697176), (138, 591084), (156, 522882), (162, 503516), (184, 443313), (207, 394056), (216, 377637), (234, 348588), (276, 295542), (299, 272808), (312, 261441), (324, 251758), (351, 232392), (414, 197028), (421, 193752), (468, 174294), (552, 147771), (598, 136404), (621, 131352), (648, 125879), (702, 116196), (828, 98514), (842, 96876), (897, 90936), (936, 87147), (1053, 77464), (1196, 68202), (1242, 65676), (1263, 64584), (1404, 58098), (1656, 49257), (1684, 48438), (1794, 45468), (1863, 43784), (2106, 38732), (2392, 34101), (2484, 32838), (2526, 32292), (2691, 30312), (2808, 29049), (3368, 24219), (3588, 22734), (3726, 21892), (3789, 21528), (4212, 19366), (4968, 16419), (5052, 16146), (5382, 15156), (5473, 14904), (7176, 11367), (7452, 10946), (7578, 10764), (8073, 10104), (8424, 9683)]