51343380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25931}}^1$

素因数の和:25957

約数の個数: 72

約数和(自身を含む): 169906464

約数和(自身を除く): 118563084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 25931, 51862, 77793, 103724, 129655, 155586, 233379, 259310, 285241, 311172, 388965, 466758, 518620, 570482, 777930, 855723, 933516, 1140964, 1166895, 1426205, 1555860, 1711446, 2333790, 2567169, 2852410, 3422892, 4278615, 4667580, 5134338, 5704820, 8557230, 10268676, 12835845, 17114460, 25671690, 51343380]

約数ペア:

[(1, 51343380), (2, 25671690), (3, 17114460), (4, 12835845), (5, 10268676), (6, 8557230), (9, 5704820), (10, 5134338), (11, 4667580), (12, 4278615), (15, 3422892), (18, 2852410), (20, 2567169), (22, 2333790), (30, 1711446), (33, 1555860), (36, 1426205), (44, 1166895), (45, 1140964), (55, 933516), (60, 855723), (66, 777930), (90, 570482), (99, 518620), (110, 466758), (132, 388965), (165, 311172), (180, 285241), (198, 259310), (220, 233379), (330, 155586), (396, 129655), (495, 103724), (660, 77793), (990, 51862), (1980, 25931)]