2400180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 6800640

約数和(自身を除く): 4400460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 367, 436, 545, 654, 734, 1090, 1101, 1308, 1468, 1635, 1835, 2180, 2202, 3270, 3670, 4404, 5505, 6540, 7340, 11010, 22020, 40003, 80006, 120009, 160012, 200015, 240018, 400030, 480036, 600045, 800060, 1200090, 2400180]

約数ペア:

[(1, 2400180), (2, 1200090), (3, 800060), (4, 600045), (5, 480036), (6, 400030), (10, 240018), (12, 200015), (15, 160012), (20, 120009), (30, 80006), (60, 40003), (109, 22020), (218, 11010), (327, 7340), (367, 6540), (436, 5505), (545, 4404), (654, 3670), (734, 3270), (1090, 2202), (1101, 2180), (1308, 1835), (1468, 1635)]