123686120

素因数分解:

$2^3\times 5^1\times {\mathrm{827}}^1\times {\mathrm{3739}}^1$

素因数の和:4577

約数の個数: 32

約数和(自身を含む): 278704800

約数和(自身を除く): 155018680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 827, 1654, 3308, 3739, 4135, 6616, 7478, 8270, 14956, 16540, 18695, 29912, 33080, 37390, 74780, 149560, 3092153, 6184306, 12368612, 15460765, 24737224, 30921530, 61843060, 123686120]

約数ペア:

[(1, 123686120), (2, 61843060), (4, 30921530), (5, 24737224), (8, 15460765), (10, 12368612), (20, 6184306), (40, 3092153), (827, 149560), (1654, 74780), (3308, 37390), (3739, 33080), (4135, 29912), (6616, 18695), (7478, 16540), (8270, 14956)]