82121790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 204871680

約数和(自身を除く): 122749890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 227, 310, 389, 454, 465, 681, 778, 930, 1135, 1167, 1362, 1945, 2270, 2334, 3405, 3890, 5835, 6810, 7037, 11670, 12059, 14074, 21111, 24118, 35185, 36177, 42222, 60295, 70370, 72354, 88303, 105555, 120590, 176606, 180885, 211110, 264909, 361770, 441515, 529818, 883030, 1324545, 2649090, 2737393, 5474786, 8212179, 13686965, 16424358, 27373930, 41060895, 82121790]

約数ペア:

[(1, 82121790), (2, 41060895), (3, 27373930), (5, 16424358), (6, 13686965), (10, 8212179), (15, 5474786), (30, 2737393), (31, 2649090), (62, 1324545), (93, 883030), (155, 529818), (186, 441515), (227, 361770), (310, 264909), (389, 211110), (454, 180885), (465, 176606), (681, 120590), (778, 105555), (930, 88303), (1135, 72354), (1167, 70370), (1362, 60295), (1945, 42222), (2270, 36177), (2334, 35185), (3405, 24118), (3890, 21111), (5835, 14074), (6810, 12059), (7037, 11670)]