30763960

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1511}}^1$

素因数の和:2031

約数の個数: 32

約数和(自身を含む): 69400800

約数和(自身を除く): 38636840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 1511, 2036, 2545, 3022, 4072, 5090, 6044, 7555, 10180, 12088, 15110, 20360, 30220, 60440, 769099, 1538198, 3076396, 3845495, 6152792, 7690990, 15381980, 30763960]

約数ペア:

[(1, 30763960), (2, 15381980), (4, 7690990), (5, 6152792), (8, 3845495), (10, 3076396), (20, 1538198), (40, 769099), (509, 60440), (1018, 30220), (1511, 20360), (2036, 15110), (2545, 12088), (3022, 10180), (4072, 7555), (5090, 6044)]