8982180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 27518400

約数和(自身を除く): 18536220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 359, 417, 556, 695, 718, 834, 1077, 1251, 1390, 1436, 1668, 1795, 2085, 2154, 2502, 2780, 3231, 3590, 4170, 4308, 5004, 5385, 6255, 6462, 7180, 8340, 10770, 12510, 12924, 16155, 21540, 25020, 32310, 49901, 64620, 99802, 149703, 199604, 249505, 299406, 449109, 499010, 598812, 748515, 898218, 998020, 1497030, 1796436, 2245545, 2994060, 4491090, 8982180]

約数ペア:

[(1, 8982180), (2, 4491090), (3, 2994060), (4, 2245545), (5, 1796436), (6, 1497030), (9, 998020), (10, 898218), (12, 748515), (15, 598812), (18, 499010), (20, 449109), (30, 299406), (36, 249505), (45, 199604), (60, 149703), (90, 99802), (139, 64620), (180, 49901), (278, 32310), (359, 25020), (417, 21540), (556, 16155), (695, 12924), (718, 12510), (834, 10770), (1077, 8340), (1251, 7180), (1390, 6462), (1436, 6255), (1668, 5385), (1795, 5004), (2085, 4308), (2154, 4170), (2502, 3590), (2780, 3231)]