660864688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{863}}^1$

素因数の和:1130

約数の個数: 80

約数和(自身を含む): 1478476800

約数和(自身を除く): 817612112

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 229, 304, 418, 458, 836, 863, 916, 1672, 1726, 1832, 2519, 3344, 3452, 3664, 4351, 5038, 6904, 8702, 9493, 10076, 13808, 16397, 17404, 18986, 20152, 32794, 34808, 37972, 40304, 47861, 65588, 69616, 75944, 95722, 131176, 151888, 180367, 191444, 197627, 262352, 360734, 382888, 395254, 721468, 765776, 790508, 1442936, 1581016, 2173897, 2885872, 3162032, 3754913, 4347794, 7509826, 8695588, 15019652, 17391176, 30039304, 34782352, 41304043, 60078608, 82608086, 165216172, 330432344, 660864688]

約数ペア:

[(1, 660864688), (2, 330432344), (4, 165216172), (8, 82608086), (11, 60078608), (16, 41304043), (19, 34782352), (22, 30039304), (38, 17391176), (44, 15019652), (76, 8695588), (88, 7509826), (152, 4347794), (176, 3754913), (209, 3162032), (229, 2885872), (304, 2173897), (418, 1581016), (458, 1442936), (836, 790508), (863, 765776), (916, 721468), (1672, 395254), (1726, 382888), (1832, 360734), (2519, 262352), (3344, 197627), (3452, 191444), (3664, 180367), (4351, 151888), (5038, 131176), (6904, 95722), (8702, 75944), (9493, 69616), (10076, 65588), (13808, 47861), (16397, 40304), (17404, 37972), (18986, 34808), (20152, 32794)]