308970540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{6679}}^1$

素因数の和:6951

約数の個数: 72

約数和(自身を含む): 940998240

約数和(自身を除く): 632027700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 3084, 3855, 4626, 5140, 6679, 7710, 9252, 11565, 13358, 15420, 20037, 23130, 26716, 33395, 40074, 46260, 60111, 66790, 80148, 100185, 120222, 133580, 200370, 240444, 300555, 400740, 601110, 1202220, 1716503, 3433006, 5149509, 6866012, 8582515, 10299018, 15448527, 17165030, 20598036, 25747545, 30897054, 34330060, 51495090, 61794108, 77242635, 102990180, 154485270, 308970540]

約数ペア:

[(1, 308970540), (2, 154485270), (3, 102990180), (4, 77242635), (5, 61794108), (6, 51495090), (9, 34330060), (10, 30897054), (12, 25747545), (15, 20598036), (18, 17165030), (20, 15448527), (30, 10299018), (36, 8582515), (45, 6866012), (60, 5149509), (90, 3433006), (180, 1716503), (257, 1202220), (514, 601110), (771, 400740), (1028, 300555), (1285, 240444), (1542, 200370), (2313, 133580), (2570, 120222), (3084, 100185), (3855, 80148), (4626, 66790), (5140, 60111), (6679, 46260), (7710, 40074), (9252, 33395), (11565, 26716), (13358, 23130), (15420, 20037)]