68861840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 165726000

約数和(自身を除く): 96864160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 109, 149, 212, 218, 265, 298, 424, 436, 530, 545, 596, 745, 848, 872, 1060, 1090, 1192, 1490, 1744, 2120, 2180, 2384, 2980, 4240, 4360, 5777, 5960, 7897, 8720, 11554, 11920, 15794, 16241, 23108, 28885, 31588, 32482, 39485, 46216, 57770, 63176, 64964, 78970, 81205, 92432, 115540, 126352, 129928, 157940, 162410, 231080, 259856, 315880, 324820, 462160, 631760, 649640, 860773, 1299280, 1721546, 3443092, 4303865, 6886184, 8607730, 13772368, 17215460, 34430920, 68861840]

約数ペア:

[(1, 68861840), (2, 34430920), (4, 17215460), (5, 13772368), (8, 8607730), (10, 6886184), (16, 4303865), (20, 3443092), (40, 1721546), (53, 1299280), (80, 860773), (106, 649640), (109, 631760), (149, 462160), (212, 324820), (218, 315880), (265, 259856), (298, 231080), (424, 162410), (436, 157940), (530, 129928), (545, 126352), (596, 115540), (745, 92432), (848, 81205), (872, 78970), (1060, 64964), (1090, 63176), (1192, 57770), (1490, 46216), (1744, 39485), (2120, 32482), (2180, 31588), (2384, 28885), (2980, 23108), (4240, 16241), (4360, 15794), (5777, 11920), (5960, 11554), (7897, 8720)]