1296560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:885

約数の個数: 40

約数和(自身を含む): 3176880

約数和(自身を除く): 1880320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 853, 1520, 1706, 3412, 4265, 6824, 8530, 13648, 16207, 17060, 32414, 34120, 64828, 68240, 81035, 129656, 162070, 259312, 324140, 648280, 1296560]

約数ペア:

[(1, 1296560), (2, 648280), (4, 324140), (5, 259312), (8, 162070), (10, 129656), (16, 81035), (19, 68240), (20, 64828), (38, 34120), (40, 32414), (76, 17060), (80, 16207), (95, 13648), (152, 8530), (190, 6824), (304, 4265), (380, 3412), (760, 1706), (853, 1520)]