15789720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131581}}^1$

素因数の和:131595

約数の個数: 32

約数和(自身を含む): 47369520

約数和(自身を除く): 31579800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131581, 263162, 394743, 526324, 657905, 789486, 1052648, 1315810, 1578972, 1973715, 2631620, 3157944, 3947430, 5263240, 7894860, 15789720]

約数ペア:

[(1, 15789720), (2, 7894860), (3, 5263240), (4, 3947430), (5, 3157944), (6, 2631620), (8, 1973715), (10, 1578972), (12, 1315810), (15, 1052648), (20, 789486), (24, 657905), (30, 526324), (40, 394743), (60, 263162), (120, 131581)]