15403870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{251}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 31107888

約数和(自身を除く): 15704018

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 251, 323, 361, 502, 646, 722, 1255, 1615, 1805, 2510, 3230, 3610, 4267, 4769, 6137, 8534, 9538, 12274, 21335, 23845, 30685, 42670, 47690, 61370, 81073, 90611, 162146, 181222, 405365, 453055, 810730, 906110, 1540387, 3080774, 7701935, 15403870]

約数ペア:

[(1, 15403870), (2, 7701935), (5, 3080774), (10, 1540387), (17, 906110), (19, 810730), (34, 453055), (38, 405365), (85, 181222), (95, 162146), (170, 90611), (190, 81073), (251, 61370), (323, 47690), (361, 42670), (502, 30685), (646, 23845), (722, 21335), (1255, 12274), (1615, 9538), (1805, 8534), (2510, 6137), (3230, 4769), (3610, 4267)]