77555720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9277}}^1$

素因数の和:9318

約数の個数: 64

約数和(自身を含む): 200404800

約数和(自身を除く): 122849080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 9277, 18554, 37108, 46385, 74216, 92770, 102047, 176263, 185540, 204094, 352526, 371080, 408188, 510235, 705052, 816376, 881315, 1020470, 1410104, 1762630, 1938893, 2040940, 3525260, 3877786, 4081880, 7050520, 7755572, 9694465, 15511144, 19388930, 38777860, 77555720]

約数ペア:

[(1, 77555720), (2, 38777860), (4, 19388930), (5, 15511144), (8, 9694465), (10, 7755572), (11, 7050520), (19, 4081880), (20, 3877786), (22, 3525260), (38, 2040940), (40, 1938893), (44, 1762630), (55, 1410104), (76, 1020470), (88, 881315), (95, 816376), (110, 705052), (152, 510235), (190, 408188), (209, 371080), (220, 352526), (380, 204094), (418, 185540), (440, 176263), (760, 102047), (836, 92770), (1045, 74216), (1672, 46385), (2090, 37108), (4180, 18554), (8360, 9277)]