39969990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4001}}^1$

素因数の和:4054

約数の個数: 64

約数和(自身を含む): 109494720

約数和(自身を除く): 69524730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 3330, 4001, 4995, 8002, 9990, 12003, 20005, 24006, 36009, 40010, 60015, 72018, 108027, 120030, 148037, 180045, 216054, 296074, 360090, 444111, 540135, 740185, 888222, 1080270, 1332333, 1480370, 2220555, 2664666, 3996999, 4441110, 6661665, 7993998, 13323330, 19984995, 39969990]

約数ペア:

[(1, 39969990), (2, 19984995), (3, 13323330), (5, 7993998), (6, 6661665), (9, 4441110), (10, 3996999), (15, 2664666), (18, 2220555), (27, 1480370), (30, 1332333), (37, 1080270), (45, 888222), (54, 740185), (74, 540135), (90, 444111), (111, 360090), (135, 296074), (185, 216054), (222, 180045), (270, 148037), (333, 120030), (370, 108027), (555, 72018), (666, 60015), (999, 40010), (1110, 36009), (1665, 24006), (1998, 20005), (3330, 12003), (4001, 9990), (4995, 8002)]