81302688

素因数分解:

$2^5\times 3^2\times {\mathrm{197}}^1\times {\mathrm{1433}}^1$

素因数の和:1646

約数の個数: 72

約数和(自身を含む): 232540308

約数和(自身を除く): 151237620

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 197, 288, 394, 591, 788, 1182, 1433, 1576, 1773, 2364, 2866, 3152, 3546, 4299, 4728, 5732, 6304, 7092, 8598, 9456, 11464, 12897, 14184, 17196, 18912, 22928, 25794, 28368, 34392, 45856, 51588, 56736, 68784, 103176, 137568, 206352, 282301, 412704, 564602, 846903, 1129204, 1693806, 2258408, 2540709, 3387612, 4516816, 5081418, 6775224, 9033632, 10162836, 13550448, 20325672, 27100896, 40651344, 81302688]

約数ペア:

[(1, 81302688), (2, 40651344), (3, 27100896), (4, 20325672), (6, 13550448), (8, 10162836), (9, 9033632), (12, 6775224), (16, 5081418), (18, 4516816), (24, 3387612), (32, 2540709), (36, 2258408), (48, 1693806), (72, 1129204), (96, 846903), (144, 564602), (197, 412704), (288, 282301), (394, 206352), (591, 137568), (788, 103176), (1182, 68784), (1433, 56736), (1576, 51588), (1773, 45856), (2364, 34392), (2866, 28368), (3152, 25794), (3546, 22928), (4299, 18912), (4728, 17196), (5732, 14184), (6304, 12897), (7092, 11464), (8598, 9456)]