66990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:57

約数の個数: 64

約数和(自身を含む): 207360

約数和(自身を除く): 140370

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 29, 30, 33, 35, 42, 55, 58, 66, 70, 77, 87, 105, 110, 145, 154, 165, 174, 203, 210, 231, 290, 319, 330, 385, 406, 435, 462, 609, 638, 770, 870, 957, 1015, 1155, 1218, 1595, 1914, 2030, 2233, 2310, 3045, 3190, 4466, 4785, 6090, 6699, 9570, 11165, 13398, 22330, 33495, 66990]

約数ペア:

[(1, 66990), (2, 33495), (3, 22330), (5, 13398), (6, 11165), (7, 9570), (10, 6699), (11, 6090), (14, 4785), (15, 4466), (21, 3190), (22, 3045), (29, 2310), (30, 2233), (33, 2030), (35, 1914), (42, 1595), (55, 1218), (58, 1155), (66, 1015), (70, 957), (77, 870), (87, 770), (105, 638), (110, 609), (145, 462), (154, 435), (165, 406), (174, 385), (203, 330), (210, 319), (231, 290)]