1520880020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1663}}^1\times {\mathrm{4157}}^1$

素因数の和:5840

約数の個数: 48

約数和(自身を含む): 3487131648

約数和(自身を除く): 1966251628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1663, 3326, 4157, 6652, 8314, 8315, 16628, 16630, 18293, 20785, 33260, 36586, 41570, 45727, 73172, 83140, 91454, 91465, 182908, 182930, 228635, 365860, 457270, 914540, 6913091, 13826182, 27652364, 34565455, 69130910, 76044001, 138261820, 152088002, 304176004, 380220005, 760440010, 1520880020]

約数ペア:

[(1, 1520880020), (2, 760440010), (4, 380220005), (5, 304176004), (10, 152088002), (11, 138261820), (20, 76044001), (22, 69130910), (44, 34565455), (55, 27652364), (110, 13826182), (220, 6913091), (1663, 914540), (3326, 457270), (4157, 365860), (6652, 228635), (8314, 182930), (8315, 182908), (16628, 91465), (16630, 91454), (18293, 83140), (20785, 73172), (33260, 45727), (36586, 41570)]