128015400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{213359}}^1$

素因数の和:213378

約数の個数: 48

約数和(自身を含む): 396849600

約数和(自身を除く): 268834200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 213359, 426718, 640077, 853436, 1066795, 1280154, 1706872, 2133590, 2560308, 3200385, 4267180, 5120616, 5333975, 6400770, 8534360, 10667950, 12801540, 16001925, 21335900, 25603080, 32003850, 42671800, 64007700, 128015400]

約数ペア:

[(1, 128015400), (2, 64007700), (3, 42671800), (4, 32003850), (5, 25603080), (6, 21335900), (8, 16001925), (10, 12801540), (12, 10667950), (15, 8534360), (20, 6400770), (24, 5333975), (25, 5120616), (30, 4267180), (40, 3200385), (50, 2560308), (60, 2133590), (75, 1706872), (100, 1280154), (120, 1066795), (150, 853436), (200, 640077), (300, 426718), (600, 213359)]