28086180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 84188160

約数和(自身を除く): 56101980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 71, 76, 95, 114, 142, 190, 213, 228, 284, 285, 347, 355, 380, 426, 570, 694, 710, 852, 1041, 1065, 1140, 1349, 1388, 1420, 1735, 2082, 2130, 2698, 3470, 4047, 4164, 4260, 5205, 5396, 6593, 6745, 6940, 8094, 10410, 13186, 13490, 16188, 19779, 20235, 20820, 24637, 26372, 26980, 32965, 39558, 40470, 49274, 65930, 73911, 79116, 80940, 98548, 98895, 123185, 131860, 147822, 197790, 246370, 295644, 369555, 395580, 468103, 492740, 739110, 936206, 1404309, 1478220, 1872412, 2340515, 2808618, 4681030, 5617236, 7021545, 9362060, 14043090, 28086180]

約数ペア:

[(1, 28086180), (2, 14043090), (3, 9362060), (4, 7021545), (5, 5617236), (6, 4681030), (10, 2808618), (12, 2340515), (15, 1872412), (19, 1478220), (20, 1404309), (30, 936206), (38, 739110), (57, 492740), (60, 468103), (71, 395580), (76, 369555), (95, 295644), (114, 246370), (142, 197790), (190, 147822), (213, 131860), (228, 123185), (284, 98895), (285, 98548), (347, 80940), (355, 79116), (380, 73911), (426, 65930), (570, 49274), (694, 40470), (710, 39558), (852, 32965), (1041, 26980), (1065, 26372), (1140, 24637), (1349, 20820), (1388, 20235), (1420, 19779), (1735, 16188), (2082, 13490), (2130, 13186), (2698, 10410), (3470, 8094), (4047, 6940), (4164, 6745), (4260, 6593), (5205, 5396)]