845120

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:175

約数の個数: 56

約数和(自身を含む): 2133600

約数和(自身を除く): 1288480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 139, 152, 160, 190, 278, 304, 320, 380, 556, 608, 695, 760, 1112, 1216, 1390, 1520, 2224, 2641, 2780, 3040, 4448, 5282, 5560, 6080, 8896, 10564, 11120, 13205, 21128, 22240, 26410, 42256, 44480, 52820, 84512, 105640, 169024, 211280, 422560, 845120]

約数ペア:

[(1, 845120), (2, 422560), (4, 211280), (5, 169024), (8, 105640), (10, 84512), (16, 52820), (19, 44480), (20, 42256), (32, 26410), (38, 22240), (40, 21128), (64, 13205), (76, 11120), (80, 10564), (95, 8896), (139, 6080), (152, 5560), (160, 5282), (190, 4448), (278, 3040), (304, 2780), (320, 2641), (380, 2224), (556, 1520), (608, 1390), (695, 1216), (760, 1112)]