15723540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12479}}^1$

素因数の和:12501

約数の個数: 72

約数和(自身を含む): 54512640

約数和(自身を除く): 38789100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 12479, 24958, 37437, 49916, 62395, 74874, 87353, 112311, 124790, 149748, 174706, 187185, 224622, 249580, 262059, 349412, 374370, 436765, 449244, 524118, 561555, 748740, 786177, 873530, 1048236, 1123110, 1310295, 1572354, 1747060, 2246220, 2620590, 3144708, 3930885, 5241180, 7861770, 15723540]

約数ペア:

[(1, 15723540), (2, 7861770), (3, 5241180), (4, 3930885), (5, 3144708), (6, 2620590), (7, 2246220), (9, 1747060), (10, 1572354), (12, 1310295), (14, 1123110), (15, 1048236), (18, 873530), (20, 786177), (21, 748740), (28, 561555), (30, 524118), (35, 449244), (36, 436765), (42, 374370), (45, 349412), (60, 262059), (63, 249580), (70, 224622), (84, 187185), (90, 174706), (105, 149748), (126, 124790), (140, 112311), (180, 87353), (210, 74874), (252, 62395), (315, 49916), (420, 37437), (630, 24958), (1260, 12479)]