12780270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{673}}^1$

素因数の和:897

約数の個数: 48

約数和(自身を含む): 33435792

約数和(自身を除く): 20655522

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 211, 422, 633, 673, 1055, 1266, 1346, 1899, 2019, 2110, 3165, 3365, 3798, 4038, 6057, 6330, 6730, 9495, 10095, 12114, 18990, 20190, 30285, 60570, 142003, 284006, 426009, 710015, 852018, 1278027, 1420030, 2130045, 2556054, 4260090, 6390135, 12780270]

約数ペア:

[(1, 12780270), (2, 6390135), (3, 4260090), (5, 2556054), (6, 2130045), (9, 1420030), (10, 1278027), (15, 852018), (18, 710015), (30, 426009), (45, 284006), (90, 142003), (211, 60570), (422, 30285), (633, 20190), (673, 18990), (1055, 12114), (1266, 10095), (1346, 9495), (1899, 6730), (2019, 6330), (2110, 6057), (3165, 4038), (3365, 3798)]