15440540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 19033060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 179, 190, 227, 358, 380, 454, 716, 895, 908, 1135, 1790, 2270, 3401, 3580, 4313, 4540, 6802, 8626, 13604, 17005, 17252, 21565, 34010, 40633, 43130, 68020, 81266, 86260, 162532, 203165, 406330, 772027, 812660, 1544054, 3088108, 3860135, 7720270, 15440540]

約数ペア:

[(1, 15440540), (2, 7720270), (4, 3860135), (5, 3088108), (10, 1544054), (19, 812660), (20, 772027), (38, 406330), (76, 203165), (95, 162532), (179, 86260), (190, 81266), (227, 68020), (358, 43130), (380, 40633), (454, 34010), (716, 21565), (895, 17252), (908, 17005), (1135, 13604), (1790, 8626), (2270, 6802), (3401, 4540), (3580, 4313)]