80648460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{49783}}^1$

素因数の和:49804

約数の個数: 60

約数和(自身を含む): 253002288

約数和(自身を除く): 172353828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 49783, 99566, 149349, 199132, 248915, 298698, 448047, 497830, 597396, 746745, 896094, 995660, 1344141, 1493490, 1792188, 2240235, 2688282, 2986980, 4032423, 4480470, 5376564, 6720705, 8064846, 8960940, 13441410, 16129692, 20162115, 26882820, 40324230, 80648460]

約数ペア:

[(1, 80648460), (2, 40324230), (3, 26882820), (4, 20162115), (5, 16129692), (6, 13441410), (9, 8960940), (10, 8064846), (12, 6720705), (15, 5376564), (18, 4480470), (20, 4032423), (27, 2986980), (30, 2688282), (36, 2240235), (45, 1792188), (54, 1493490), (60, 1344141), (81, 995660), (90, 896094), (108, 746745), (135, 597396), (162, 497830), (180, 448047), (270, 298698), (324, 248915), (405, 199132), (540, 149349), (810, 99566), (1620, 49783)]