51079920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 159073152

約数和(自身を除く): 107993232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 643, 662, 993, 1286, 1324, 1655, 1929, 1986, 2572, 2648, 3215, 3310, 3858, 3972, 4965, 5144, 5296, 6430, 6620, 7716, 7944, 9645, 9930, 10288, 12860, 13240, 15432, 15888, 19290, 19860, 25720, 26480, 30864, 38580, 39720, 51440, 77160, 79440, 154320, 212833, 425666, 638499, 851332, 1064165, 1276998, 1702664, 2128330, 2553996, 3192495, 3405328, 4256660, 5107992, 6384990, 8513320, 10215984, 12769980, 17026640, 25539960, 51079920]

約数ペア:

[(1, 51079920), (2, 25539960), (3, 17026640), (4, 12769980), (5, 10215984), (6, 8513320), (8, 6384990), (10, 5107992), (12, 4256660), (15, 3405328), (16, 3192495), (20, 2553996), (24, 2128330), (30, 1702664), (40, 1276998), (48, 1064165), (60, 851332), (80, 638499), (120, 425666), (240, 212833), (331, 154320), (643, 79440), (662, 77160), (993, 51440), (1286, 39720), (1324, 38580), (1655, 30864), (1929, 26480), (1986, 25720), (2572, 19860), (2648, 19290), (3215, 15888), (3310, 15432), (3858, 13240), (3972, 12860), (4965, 10288), (5144, 9930), (5296, 9645), (6430, 7944), (6620, 7716)]