128271990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55529}}^1$

素因数の和:55557

約数の個数: 64

約数和(自身を含む): 383823360

約数和(自身を除く): 255551370

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 1155, 2310, 55529, 111058, 166587, 277645, 333174, 388703, 555290, 610819, 777406, 832935, 1166109, 1221638, 1665870, 1832457, 1943515, 2332218, 3054095, 3664914, 3887030, 4275733, 5830545, 6108190, 8551466, 9162285, 11661090, 12827199, 18324570, 21378665, 25654398, 42757330, 64135995, 128271990]

約数ペア:

[(1, 128271990), (2, 64135995), (3, 42757330), (5, 25654398), (6, 21378665), (7, 18324570), (10, 12827199), (11, 11661090), (14, 9162285), (15, 8551466), (21, 6108190), (22, 5830545), (30, 4275733), (33, 3887030), (35, 3664914), (42, 3054095), (55, 2332218), (66, 1943515), (70, 1832457), (77, 1665870), (105, 1221638), (110, 1166109), (154, 832935), (165, 777406), (210, 610819), (231, 555290), (330, 388703), (385, 333174), (462, 277645), (770, 166587), (1155, 111058), (2310, 55529)]