18000120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{150001}}^1$

素因数の和:150015

約数の個数: 32

約数和(自身を含む): 54000720

約数和(自身を除く): 36000600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 150001, 300002, 450003, 600004, 750005, 900006, 1200008, 1500010, 1800012, 2250015, 3000020, 3600024, 4500030, 6000040, 9000060, 18000120]

約数ペア:

[(1, 18000120), (2, 9000060), (3, 6000040), (4, 4500030), (5, 3600024), (6, 3000020), (8, 2250015), (10, 1800012), (12, 1500010), (15, 1200008), (20, 900006), (24, 750005), (30, 600004), (40, 450003), (60, 300002), (120, 150001)]