81246816

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:425

約数の個数: 144

約数和(自身を含む): 266692608

約数和(自身を除く): 185445792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 191, 211, 224, 252, 288, 336, 382, 422, 504, 573, 633, 672, 764, 844, 1008, 1146, 1266, 1337, 1477, 1528, 1688, 1719, 1899, 2016, 2292, 2532, 2674, 2954, 3056, 3376, 3438, 3798, 4011, 4431, 4584, 5064, 5348, 5908, 6112, 6752, 6876, 7596, 8022, 8862, 9168, 10128, 10696, 11816, 12033, 13293, 13752, 15192, 16044, 17724, 18336, 20256, 21392, 23632, 24066, 26586, 27504, 30384, 32088, 35448, 40301, 42784, 47264, 48132, 53172, 55008, 60768, 64176, 70896, 80602, 96264, 106344, 120903, 128352, 141792, 161204, 192528, 212688, 241806, 282107, 322408, 362709, 385056, 425376, 483612, 564214, 644816, 725418, 846321, 967224, 1128428, 1289632, 1450836, 1692642, 1934448, 2256856, 2538963, 2901672, 3385284, 3868896, 4513712, 5077926, 5803344, 6770568, 9027424, 10155852, 11606688, 13541136, 20311704, 27082272, 40623408, 81246816]

約数ペア:

[(1, 81246816), (2, 40623408), (3, 27082272), (4, 20311704), (6, 13541136), (7, 11606688), (8, 10155852), (9, 9027424), (12, 6770568), (14, 5803344), (16, 5077926), (18, 4513712), (21, 3868896), (24, 3385284), (28, 2901672), (32, 2538963), (36, 2256856), (42, 1934448), (48, 1692642), (56, 1450836), (63, 1289632), (72, 1128428), (84, 967224), (96, 846321), (112, 725418), (126, 644816), (144, 564214), (168, 483612), (191, 425376), (211, 385056), (224, 362709), (252, 322408), (288, 282107), (336, 241806), (382, 212688), (422, 192528), (504, 161204), (573, 141792), (633, 128352), (672, 120903), (764, 106344), (844, 96264), (1008, 80602), (1146, 70896), (1266, 64176), (1337, 60768), (1477, 55008), (1528, 53172), (1688, 48132), (1719, 47264), (1899, 42784), (2016, 40301), (2292, 35448), (2532, 32088), (2674, 30384), (2954, 27504), (3056, 26586), (3376, 24066), (3438, 23632), (3798, 21392), (4011, 20256), (4431, 18336), (4584, 17724), (5064, 16044), (5348, 15192), (5908, 13752), (6112, 13293), (6752, 12033), (6876, 11816), (7596, 10696), (8022, 10128), (8862, 9168)]