81621072

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{739}}^1$

素因数の和:825

約数の個数: 120

約数和(自身を含む): 250504800

約数和(自身を除く): 168883728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 59, 72, 78, 104, 117, 118, 144, 156, 177, 208, 234, 236, 312, 354, 468, 472, 531, 624, 708, 739, 767, 936, 944, 1062, 1416, 1478, 1534, 1872, 2124, 2217, 2301, 2832, 2956, 3068, 4248, 4434, 4602, 5912, 6136, 6651, 6903, 8496, 8868, 9204, 9607, 11824, 12272, 13302, 13806, 17736, 18408, 19214, 26604, 27612, 28821, 35472, 36816, 38428, 43601, 53208, 55224, 57642, 76856, 86463, 87202, 106416, 110448, 115284, 130803, 153712, 172926, 174404, 230568, 261606, 345852, 348808, 392409, 461136, 523212, 566813, 691704, 697616, 784818, 1046424, 1133626, 1383408, 1569636, 1700439, 2092848, 2267252, 3139272, 3400878, 4534504, 5101317, 6278544, 6801756, 9069008, 10202634, 13603512, 20405268, 27207024, 40810536, 81621072]

約数ペア:

[(1, 81621072), (2, 40810536), (3, 27207024), (4, 20405268), (6, 13603512), (8, 10202634), (9, 9069008), (12, 6801756), (13, 6278544), (16, 5101317), (18, 4534504), (24, 3400878), (26, 3139272), (36, 2267252), (39, 2092848), (48, 1700439), (52, 1569636), (59, 1383408), (72, 1133626), (78, 1046424), (104, 784818), (117, 697616), (118, 691704), (144, 566813), (156, 523212), (177, 461136), (208, 392409), (234, 348808), (236, 345852), (312, 261606), (354, 230568), (468, 174404), (472, 172926), (531, 153712), (624, 130803), (708, 115284), (739, 110448), (767, 106416), (936, 87202), (944, 86463), (1062, 76856), (1416, 57642), (1478, 55224), (1534, 53208), (1872, 43601), (2124, 38428), (2217, 36816), (2301, 35472), (2832, 28821), (2956, 27612), (3068, 26604), (4248, 19214), (4434, 18408), (4602, 17736), (5912, 13806), (6136, 13302), (6651, 12272), (6903, 11824), (8496, 9607), (8868, 9204)]