56720180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{829}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 130515840

約数和(自身を除く): 73795660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 311, 622, 829, 1244, 1555, 1658, 3110, 3316, 3421, 4145, 6220, 6842, 8290, 9119, 13684, 16580, 17105, 18238, 34210, 36476, 45595, 68420, 91190, 182380, 257819, 515638, 1031276, 1289095, 2578190, 2836009, 5156380, 5672018, 11344036, 14180045, 28360090, 56720180]

約数ペア:

[(1, 56720180), (2, 28360090), (4, 14180045), (5, 11344036), (10, 5672018), (11, 5156380), (20, 2836009), (22, 2578190), (44, 1289095), (55, 1031276), (110, 515638), (220, 257819), (311, 182380), (622, 91190), (829, 68420), (1244, 45595), (1555, 36476), (1658, 34210), (3110, 18238), (3316, 17105), (3421, 16580), (4145, 13684), (6220, 9119), (6842, 8290)]