81354570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8501}}^1$

素因数の和:8551

約数の個数: 64

約数和(自身を含む): 220371840

約数和(自身を除く): 139017270

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 290, 319, 330, 435, 638, 870, 957, 1595, 1914, 3190, 4785, 8501, 9570, 17002, 25503, 42505, 51006, 85010, 93511, 127515, 187022, 246529, 255030, 280533, 467555, 493058, 561066, 739587, 935110, 1232645, 1402665, 1479174, 2465290, 2711819, 2805330, 3697935, 5423638, 7395870, 8135457, 13559095, 16270914, 27118190, 40677285, 81354570]

約数ペア:

[(1, 81354570), (2, 40677285), (3, 27118190), (5, 16270914), (6, 13559095), (10, 8135457), (11, 7395870), (15, 5423638), (22, 3697935), (29, 2805330), (30, 2711819), (33, 2465290), (55, 1479174), (58, 1402665), (66, 1232645), (87, 935110), (110, 739587), (145, 561066), (165, 493058), (174, 467555), (290, 280533), (319, 255030), (330, 246529), (435, 187022), (638, 127515), (870, 93511), (957, 85010), (1595, 51006), (1914, 42505), (3190, 25503), (4785, 17002), (8501, 9570)]