1806680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 4289760

約数和(自身を除く): 2483080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 961, 1240, 1457, 1880, 1922, 2914, 3844, 4805, 5828, 7285, 7688, 9610, 11656, 14570, 19220, 29140, 38440, 45167, 58280, 90334, 180668, 225835, 361336, 451670, 903340, 1806680]

約数ペア:

[(1, 1806680), (2, 903340), (4, 451670), (5, 361336), (8, 225835), (10, 180668), (20, 90334), (31, 58280), (40, 45167), (47, 38440), (62, 29140), (94, 19220), (124, 14570), (155, 11656), (188, 9610), (235, 7688), (248, 7285), (310, 5828), (376, 4805), (470, 3844), (620, 2914), (940, 1922), (961, 1880), (1240, 1457)]