68689908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 209139840

約数和(自身を除く): 140449932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 53, 63, 74, 84, 106, 111, 126, 139, 148, 159, 212, 222, 252, 259, 278, 318, 333, 371, 417, 444, 477, 518, 556, 636, 666, 742, 777, 834, 954, 973, 1036, 1113, 1251, 1332, 1484, 1554, 1668, 1908, 1946, 1961, 2226, 2331, 2502, 2919, 3108, 3339, 3892, 3922, 4452, 4662, 5004, 5143, 5838, 5883, 6678, 7367, 7844, 8757, 9324, 10286, 11676, 11766, 13356, 13727, 14734, 15429, 17514, 17649, 20572, 22101, 23532, 27454, 29468, 30858, 35028, 35298, 36001, 41181, 44202, 46287, 51569, 54908, 61716, 66303, 70596, 72002, 82362, 88404, 92574, 103138, 108003, 123543, 132606, 144004, 154707, 164724, 185148, 206276, 216006, 247086, 265212, 272579, 309414, 324009, 432012, 464121, 494172, 545158, 618828, 648018, 817737, 928242, 1090316, 1296036, 1635474, 1856484, 1908053, 2453211, 3270948, 3816106, 4906422, 5724159, 7632212, 9812844, 11448318, 17172477, 22896636, 34344954, 68689908]

約数ペア:

[(1, 68689908), (2, 34344954), (3, 22896636), (4, 17172477), (6, 11448318), (7, 9812844), (9, 7632212), (12, 5724159), (14, 4906422), (18, 3816106), (21, 3270948), (28, 2453211), (36, 1908053), (37, 1856484), (42, 1635474), (53, 1296036), (63, 1090316), (74, 928242), (84, 817737), (106, 648018), (111, 618828), (126, 545158), (139, 494172), (148, 464121), (159, 432012), (212, 324009), (222, 309414), (252, 272579), (259, 265212), (278, 247086), (318, 216006), (333, 206276), (371, 185148), (417, 164724), (444, 154707), (477, 144004), (518, 132606), (556, 123543), (636, 108003), (666, 103138), (742, 92574), (777, 88404), (834, 82362), (954, 72002), (973, 70596), (1036, 66303), (1113, 61716), (1251, 54908), (1332, 51569), (1484, 46287), (1554, 44202), (1668, 41181), (1908, 36001), (1946, 35298), (1961, 35028), (2226, 30858), (2331, 29468), (2502, 27454), (2919, 23532), (3108, 22101), (3339, 20572), (3892, 17649), (3922, 17514), (4452, 15429), (4662, 14734), (5004, 13727), (5143, 13356), (5838, 11766), (5883, 11676), (6678, 10286), (7367, 9324), (7844, 8757)]