12345720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{102881}}^1$

素因数の和:102895

約数の個数: 32

約数和(自身を含む): 37037520

約数和(自身を除く): 24691800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 102881, 205762, 308643, 411524, 514405, 617286, 823048, 1028810, 1234572, 1543215, 2057620, 2469144, 3086430, 4115240, 6172860, 12345720]

約数ペア:

[(1, 12345720), (2, 6172860), (3, 4115240), (4, 3086430), (5, 2469144), (6, 2057620), (8, 1543215), (10, 1234572), (12, 1028810), (15, 823048), (20, 617286), (24, 514405), (30, 411524), (40, 308643), (60, 205762), (120, 102881)]