1520222020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1\times {\mathrm{2311}}^1$

素因数の和:3412

約数の個数: 48

約数和(自身を含む): 3299982336

約数和(自身を除く): 1779760316

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1061, 2122, 2311, 4244, 4622, 5305, 9244, 10610, 11555, 21220, 23110, 32891, 46220, 65782, 71641, 131564, 143282, 164455, 286564, 328910, 358205, 657820, 716410, 1432820, 2451971, 4903942, 9807884, 12259855, 24519710, 49039420, 76011101, 152022202, 304044404, 380055505, 760111010, 1520222020]

約数ペア:

[(1, 1520222020), (2, 760111010), (4, 380055505), (5, 304044404), (10, 152022202), (20, 76011101), (31, 49039420), (62, 24519710), (124, 12259855), (155, 9807884), (310, 4903942), (620, 2451971), (1061, 1432820), (2122, 716410), (2311, 657820), (4244, 358205), (4622, 328910), (5305, 286564), (9244, 164455), (10610, 143282), (11555, 131564), (21220, 71641), (23110, 65782), (32891, 46220)]