239671620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{6691}}^1$

素因数の和:6905

約数の個数: 72

約数和(自身を含む): 730766400

約数和(自身を除く): 491094780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2388, 2985, 3582, 3980, 5970, 6691, 7164, 8955, 11940, 13382, 17910, 20073, 26764, 33455, 35820, 40146, 60219, 66910, 80292, 100365, 120438, 133820, 200730, 240876, 301095, 401460, 602190, 1204380, 1331509, 2663018, 3994527, 5326036, 6657545, 7989054, 11983581, 13315090, 15978108, 19972635, 23967162, 26630180, 39945270, 47934324, 59917905, 79890540, 119835810, 239671620]

約数ペア:

[(1, 239671620), (2, 119835810), (3, 79890540), (4, 59917905), (5, 47934324), (6, 39945270), (9, 26630180), (10, 23967162), (12, 19972635), (15, 15978108), (18, 13315090), (20, 11983581), (30, 7989054), (36, 6657545), (45, 5326036), (60, 3994527), (90, 2663018), (180, 1331509), (199, 1204380), (398, 602190), (597, 401460), (796, 301095), (995, 240876), (1194, 200730), (1791, 133820), (1990, 120438), (2388, 100365), (2985, 80292), (3582, 66910), (3980, 60219), (5970, 40146), (6691, 35820), (7164, 33455), (8955, 26764), (11940, 20073), (13382, 17910)]