68964280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{22391}}^1$

素因数の和:22420

約数の個数: 64

約数和(自身を含む): 193466880

約数和(自身を除く): 124502600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 22391, 44782, 89564, 111955, 156737, 179128, 223910, 246301, 313474, 447820, 492602, 626948, 783685, 895640, 985204, 1231505, 1253896, 1567370, 1724107, 1970408, 2463010, 3134740, 3448214, 4926020, 6269480, 6896428, 8620535, 9852040, 13792856, 17241070, 34482140, 68964280]

約数ペア:

[(1, 68964280), (2, 34482140), (4, 17241070), (5, 13792856), (7, 9852040), (8, 8620535), (10, 6896428), (11, 6269480), (14, 4926020), (20, 3448214), (22, 3134740), (28, 2463010), (35, 1970408), (40, 1724107), (44, 1567370), (55, 1253896), (56, 1231505), (70, 985204), (77, 895640), (88, 783685), (110, 626948), (140, 492602), (154, 447820), (220, 313474), (280, 246301), (308, 223910), (385, 179128), (440, 156737), (616, 111955), (770, 89564), (1540, 44782), (3080, 22391)]