1976580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 6115200

約数和(自身を除く): 4138620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 139, 158, 180, 237, 278, 316, 395, 417, 474, 556, 695, 711, 790, 834, 948, 1185, 1251, 1390, 1422, 1580, 1668, 2085, 2370, 2502, 2780, 2844, 3555, 4170, 4740, 5004, 6255, 7110, 8340, 10981, 12510, 14220, 21962, 25020, 32943, 43924, 54905, 65886, 98829, 109810, 131772, 164715, 197658, 219620, 329430, 395316, 494145, 658860, 988290, 1976580]

約数ペア:

[(1, 1976580), (2, 988290), (3, 658860), (4, 494145), (5, 395316), (6, 329430), (9, 219620), (10, 197658), (12, 164715), (15, 131772), (18, 109810), (20, 98829), (30, 65886), (36, 54905), (45, 43924), (60, 32943), (79, 25020), (90, 21962), (139, 14220), (158, 12510), (180, 10981), (237, 8340), (278, 7110), (316, 6255), (395, 5004), (417, 4740), (474, 4170), (556, 3555), (695, 2844), (711, 2780), (790, 2502), (834, 2370), (948, 2085), (1185, 1668), (1251, 1580), (1390, 1422)]