15210007720

素因数分解:

$2^3\times 5^1\times {\mathrm{3491}}^1\times {\mathrm{108923}}^1$

素因数の和:112425

約数の個数: 32

約数和(自身を含む): 34232634720

約数和(自身を除く): 19022627000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3491, 6982, 13964, 17455, 27928, 34910, 69820, 108923, 139640, 217846, 435692, 544615, 871384, 1089230, 2178460, 4356920, 380250193, 760500386, 1521000772, 1901250965, 3042001544, 3802501930, 7605003860, 15210007720]

約数ペア:

[(1, 15210007720), (2, 7605003860), (4, 3802501930), (5, 3042001544), (8, 1901250965), (10, 1521000772), (20, 760500386), (40, 380250193), (3491, 4356920), (6982, 2178460), (13964, 1089230), (17455, 871384), (27928, 544615), (34910, 435692), (69820, 217846), (108923, 139640)]