2178064120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{15889}}^1$

素因数の和:16072

約数の個数: 64

約数和(自身を含む): 5148360000

約数和(自身を除く): 2970295880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 149, 184, 230, 298, 460, 596, 745, 920, 1192, 1490, 2980, 3427, 5960, 6854, 13708, 15889, 17135, 27416, 31778, 34270, 63556, 68540, 79445, 127112, 137080, 158890, 317780, 365447, 635560, 730894, 1461788, 1827235, 2367461, 2923576, 3654470, 4734922, 7308940, 9469844, 11837305, 14617880, 18939688, 23674610, 47349220, 54451603, 94698440, 108903206, 217806412, 272258015, 435612824, 544516030, 1089032060, 2178064120]

約数ペア:

[(1, 2178064120), (2, 1089032060), (4, 544516030), (5, 435612824), (8, 272258015), (10, 217806412), (20, 108903206), (23, 94698440), (40, 54451603), (46, 47349220), (92, 23674610), (115, 18939688), (149, 14617880), (184, 11837305), (230, 9469844), (298, 7308940), (460, 4734922), (596, 3654470), (745, 2923576), (920, 2367461), (1192, 1827235), (1490, 1461788), (2980, 730894), (3427, 635560), (5960, 365447), (6854, 317780), (13708, 158890), (15889, 137080), (17135, 127112), (27416, 79445), (31778, 68540), (34270, 63556)]