27221320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{509}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 70502400

約数和(自身を除く): 43281080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 509, 764, 955, 1018, 1337, 1528, 1910, 2036, 2545, 2674, 3563, 3820, 4072, 5090, 5348, 6685, 7126, 7640, 10180, 10696, 13370, 14252, 17815, 20360, 26740, 28504, 35630, 53480, 71260, 97219, 142520, 194438, 388876, 486095, 680533, 777752, 972190, 1361066, 1944380, 2722132, 3402665, 3888760, 5444264, 6805330, 13610660, 27221320]

約数ペア:

[(1, 27221320), (2, 13610660), (4, 6805330), (5, 5444264), (7, 3888760), (8, 3402665), (10, 2722132), (14, 1944380), (20, 1361066), (28, 972190), (35, 777752), (40, 680533), (56, 486095), (70, 388876), (140, 194438), (191, 142520), (280, 97219), (382, 71260), (509, 53480), (764, 35630), (955, 28504), (1018, 26740), (1337, 20360), (1528, 17815), (1910, 14252), (2036, 13370), (2545, 10696), (2674, 10180), (3563, 7640), (3820, 7126), (4072, 6685), (5090, 5348)]