6561940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4261}}^1$

素因数の和:4288

約数の個数: 48

約数和(自身を含む): 17184384

約数和(自身を除く): 10622444

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 4261, 8522, 17044, 21305, 29827, 42610, 46871, 59654, 85220, 93742, 119308, 149135, 187484, 234355, 298270, 328097, 468710, 596540, 656194, 937420, 1312388, 1640485, 3280970, 6561940]

約数ペア:

[(1, 6561940), (2, 3280970), (4, 1640485), (5, 1312388), (7, 937420), (10, 656194), (11, 596540), (14, 468710), (20, 328097), (22, 298270), (28, 234355), (35, 187484), (44, 149135), (55, 119308), (70, 93742), (77, 85220), (110, 59654), (140, 46871), (154, 42610), (220, 29827), (308, 21305), (385, 17044), (770, 8522), (1540, 4261)]