12139960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 31518720

約数和(自身を除く): 19378760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 227, 280, 382, 454, 764, 908, 955, 1135, 1337, 1528, 1589, 1816, 1910, 2270, 2674, 3178, 3820, 4540, 5348, 6356, 6685, 7640, 7945, 9080, 10696, 12712, 13370, 15890, 26740, 31780, 43357, 53480, 63560, 86714, 173428, 216785, 303499, 346856, 433570, 606998, 867140, 1213996, 1517495, 1734280, 2427992, 3034990, 6069980, 12139960]

約数ペア:

[(1, 12139960), (2, 6069980), (4, 3034990), (5, 2427992), (7, 1734280), (8, 1517495), (10, 1213996), (14, 867140), (20, 606998), (28, 433570), (35, 346856), (40, 303499), (56, 216785), (70, 173428), (140, 86714), (191, 63560), (227, 53480), (280, 43357), (382, 31780), (454, 26740), (764, 15890), (908, 13370), (955, 12712), (1135, 10696), (1337, 9080), (1528, 7945), (1589, 7640), (1816, 6685), (1910, 6356), (2270, 5348), (2674, 4540), (3178, 3820)]