15778020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2711}}^1$

素因数の和:2820

約数の個数: 48

約数和(自身を含む): 44650368

約数和(自身を除く): 28872348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2711, 2910, 5422, 5820, 8133, 10844, 13555, 16266, 27110, 32532, 40665, 54220, 81330, 162660, 262967, 525934, 788901, 1051868, 1314835, 1577802, 2629670, 3155604, 3944505, 5259340, 7889010, 15778020]

約数ペア:

[(1, 15778020), (2, 7889010), (3, 5259340), (4, 3944505), (5, 3155604), (6, 2629670), (10, 1577802), (12, 1314835), (15, 1051868), (20, 788901), (30, 525934), (60, 262967), (97, 162660), (194, 81330), (291, 54220), (388, 40665), (485, 32532), (582, 27110), (970, 16266), (1164, 13555), (1455, 10844), (1940, 8133), (2711, 5820), (2910, 5422)]