487481680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{2971}}^1$

素因数の和:3284

約数の個数: 80

約数和(自身を含む): 1300166784

約数和(自身を除く): 812685104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 293, 560, 586, 1172, 1465, 2051, 2344, 2930, 2971, 4102, 4688, 5860, 5942, 8204, 10255, 11720, 11884, 14855, 16408, 20510, 20797, 23440, 23768, 29710, 32816, 41020, 41594, 47536, 59420, 82040, 83188, 103985, 118840, 164080, 166376, 207970, 237680, 332752, 415940, 831880, 870503, 1663760, 1741006, 3482012, 4352515, 6093521, 6964024, 8705030, 12187042, 13928048, 17410060, 24374084, 30467605, 34820120, 48748168, 60935210, 69640240, 97496336, 121870420, 243740840, 487481680]

約数ペア:

[(1, 487481680), (2, 243740840), (4, 121870420), (5, 97496336), (7, 69640240), (8, 60935210), (10, 48748168), (14, 34820120), (16, 30467605), (20, 24374084), (28, 17410060), (35, 13928048), (40, 12187042), (56, 8705030), (70, 6964024), (80, 6093521), (112, 4352515), (140, 3482012), (280, 1741006), (293, 1663760), (560, 870503), (586, 831880), (1172, 415940), (1465, 332752), (2051, 237680), (2344, 207970), (2930, 166376), (2971, 164080), (4102, 118840), (4688, 103985), (5860, 83188), (5942, 82040), (8204, 59420), (10255, 47536), (11720, 41594), (11884, 41020), (14855, 32816), (16408, 29710), (20510, 23768), (20797, 23440)]