15865960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 39424320

約数和(自身を除く): 23558360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 337, 428, 440, 535, 674, 856, 1070, 1177, 1348, 1685, 2140, 2354, 2696, 3370, 3707, 4280, 4708, 5885, 6740, 7414, 9416, 11770, 13480, 14828, 18535, 23540, 29656, 36059, 37070, 47080, 72118, 74140, 144236, 148280, 180295, 288472, 360590, 396649, 721180, 793298, 1442360, 1586596, 1983245, 3173192, 3966490, 7932980, 15865960]

約数ペア:

[(1, 15865960), (2, 7932980), (4, 3966490), (5, 3173192), (8, 1983245), (10, 1586596), (11, 1442360), (20, 793298), (22, 721180), (40, 396649), (44, 360590), (55, 288472), (88, 180295), (107, 148280), (110, 144236), (214, 74140), (220, 72118), (337, 47080), (428, 37070), (440, 36059), (535, 29656), (674, 23540), (856, 18535), (1070, 14828), (1177, 13480), (1348, 11770), (1685, 9416), (2140, 7414), (2354, 6740), (2696, 5885), (3370, 4708), (3707, 4280)]