660335984

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{1493}}^1$

素因数の和:1878

約数の個数: 80

約数和(自身を含む): 1600611840

約数和(自身を除く): 940275856

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 359, 616, 718, 1232, 1436, 1493, 2513, 2872, 2986, 3949, 5026, 5744, 5972, 7898, 10052, 10451, 11944, 15796, 16423, 20104, 20902, 23888, 27643, 31592, 32846, 40208, 41804, 55286, 63184, 65692, 83608, 110572, 114961, 131384, 167216, 221144, 229922, 262768, 442288, 459844, 535987, 919688, 1071974, 1839376, 2143948, 3751909, 4287896, 5895857, 7503818, 8575792, 11791714, 15007636, 23583428, 30015272, 41270999, 47166856, 60030544, 82541998, 94333712, 165083996, 330167992, 660335984]

約数ペア:

[(1, 660335984), (2, 330167992), (4, 165083996), (7, 94333712), (8, 82541998), (11, 60030544), (14, 47166856), (16, 41270999), (22, 30015272), (28, 23583428), (44, 15007636), (56, 11791714), (77, 8575792), (88, 7503818), (112, 5895857), (154, 4287896), (176, 3751909), (308, 2143948), (359, 1839376), (616, 1071974), (718, 919688), (1232, 535987), (1436, 459844), (1493, 442288), (2513, 262768), (2872, 229922), (2986, 221144), (3949, 167216), (5026, 131384), (5744, 114961), (5972, 110572), (7898, 83608), (10052, 65692), (10451, 63184), (11944, 55286), (15796, 41804), (16423, 40208), (20104, 32846), (20902, 31592), (23888, 27643)]