68081860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4019}}^1$

素因数の和:4057

約数の個数: 72

約数和(自身を含む): 179645760

約数和(自身を除く): 111563900

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4019, 4235, 8038, 8470, 16076, 16940, 20095, 28133, 40190, 44209, 56266, 80380, 88418, 112532, 140665, 176836, 221045, 281330, 309463, 442090, 486299, 562660, 618926, 884180, 972598, 1237852, 1547315, 1945196, 2431495, 3094630, 3404093, 4862990, 6189260, 6808186, 9725980, 13616372, 17020465, 34040930, 68081860]

約数ペア:

[(1, 68081860), (2, 34040930), (4, 17020465), (5, 13616372), (7, 9725980), (10, 6808186), (11, 6189260), (14, 4862990), (20, 3404093), (22, 3094630), (28, 2431495), (35, 1945196), (44, 1547315), (55, 1237852), (70, 972598), (77, 884180), (110, 618926), (121, 562660), (140, 486299), (154, 442090), (220, 309463), (242, 281330), (308, 221045), (385, 176836), (484, 140665), (605, 112532), (770, 88418), (847, 80380), (1210, 56266), (1540, 44209), (1694, 40190), (2420, 28133), (3388, 20095), (4019, 16940), (4235, 16076), (8038, 8470)]