2561880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{577}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 7907040

約数和(自身を除く): 5345160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 577, 740, 888, 1110, 1154, 1480, 1731, 2220, 2308, 2885, 3462, 4440, 4616, 5770, 6924, 8655, 11540, 13848, 17310, 21349, 23080, 34620, 42698, 64047, 69240, 85396, 106745, 128094, 170792, 213490, 256188, 320235, 426980, 512376, 640470, 853960, 1280940, 2561880]

約数ペア:

[(1, 2561880), (2, 1280940), (3, 853960), (4, 640470), (5, 512376), (6, 426980), (8, 320235), (10, 256188), (12, 213490), (15, 170792), (20, 128094), (24, 106745), (30, 85396), (37, 69240), (40, 64047), (60, 42698), (74, 34620), (111, 23080), (120, 21349), (148, 17310), (185, 13848), (222, 11540), (296, 8655), (370, 6924), (444, 5770), (555, 4616), (577, 4440), (740, 3462), (888, 2885), (1110, 2308), (1154, 2220), (1480, 1731)]