155907160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{205141}}^1$

素因数の和:205171

約数の個数: 32

約数和(自身を含む): 369255600

約数和(自身を除く): 213348440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 205141, 410282, 820564, 1025705, 1641128, 2051410, 3897679, 4102820, 7795358, 8205640, 15590716, 19488395, 31181432, 38976790, 77953580, 155907160]

約数ペア:

[(1, 155907160), (2, 77953580), (4, 38976790), (5, 31181432), (8, 19488395), (10, 15590716), (19, 8205640), (20, 7795358), (38, 4102820), (40, 3897679), (76, 2051410), (95, 1641128), (152, 1025705), (190, 820564), (380, 410282), (760, 205141)]