27223280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 73013184

約数和(自身を除く): 45789904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 173, 280, 281, 346, 560, 562, 692, 865, 1124, 1211, 1384, 1405, 1730, 1967, 2248, 2422, 2768, 2810, 3460, 3934, 4496, 4844, 5620, 6055, 6920, 7868, 9688, 9835, 11240, 12110, 13840, 15736, 19376, 19670, 22480, 24220, 31472, 39340, 48440, 48613, 78680, 96880, 97226, 157360, 194452, 243065, 340291, 388904, 486130, 680582, 777808, 972260, 1361164, 1701455, 1944520, 2722328, 3402910, 3889040, 5444656, 6805820, 13611640, 27223280]

約数ペア:

[(1, 27223280), (2, 13611640), (4, 6805820), (5, 5444656), (7, 3889040), (8, 3402910), (10, 2722328), (14, 1944520), (16, 1701455), (20, 1361164), (28, 972260), (35, 777808), (40, 680582), (56, 486130), (70, 388904), (80, 340291), (112, 243065), (140, 194452), (173, 157360), (280, 97226), (281, 96880), (346, 78680), (560, 48613), (562, 48440), (692, 39340), (865, 31472), (1124, 24220), (1211, 22480), (1384, 19670), (1405, 19376), (1730, 15736), (1967, 13840), (2248, 12110), (2422, 11240), (2768, 9835), (2810, 9688), (3460, 7868), (3934, 6920), (4496, 6055), (4844, 5620)]