280887318

素因数分解:

$2^1\times 3^3\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 640569600

約数和(自身を除く): 359682282

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 118, 131, 177, 262, 354, 393, 531, 673, 786, 1062, 1179, 1346, 1593, 2019, 2358, 3186, 3537, 4038, 6057, 7074, 7729, 12114, 15458, 18171, 23187, 36342, 39707, 46374, 69561, 79414, 88163, 119121, 139122, 176326, 208683, 238242, 264489, 357363, 417366, 528978, 714726, 793467, 1072089, 1586934, 2144178, 2380401, 4760802, 5201617, 10403234, 15604851, 31209702, 46814553, 93629106, 140443659, 280887318]

約数ペア:

[(1, 280887318), (2, 140443659), (3, 93629106), (6, 46814553), (9, 31209702), (18, 15604851), (27, 10403234), (54, 5201617), (59, 4760802), (118, 2380401), (131, 2144178), (177, 1586934), (262, 1072089), (354, 793467), (393, 714726), (531, 528978), (673, 417366), (786, 357363), (1062, 264489), (1179, 238242), (1346, 208683), (1593, 176326), (2019, 139122), (2358, 119121), (3186, 88163), (3537, 79414), (4038, 69561), (6057, 46374), (7074, 39707), (7729, 36342), (12114, 23187), (15458, 18171)]