28920420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{160669}}^1$

素因数の和:160684

約数の個数: 36

約数和(自身を含む): 87725820

約数和(自身を除く): 58805400

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 160669, 321338, 482007, 642676, 803345, 964014, 1446021, 1606690, 1928028, 2410035, 2892042, 3213380, 4820070, 5784084, 7230105, 9640140, 14460210, 28920420]

約数ペア:

[(1, 28920420), (2, 14460210), (3, 9640140), (4, 7230105), (5, 5784084), (6, 4820070), (9, 3213380), (10, 2892042), (12, 2410035), (15, 1928028), (18, 1606690), (20, 1446021), (30, 964014), (36, 803345), (45, 642676), (60, 482007), (90, 321338), (180, 160669)]