8640540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{16001}}^1$

素因数の和:16019

約数の個数: 48

約数和(自身を含む): 26883360

約数和(自身を除く): 18242820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 16001, 32002, 48003, 64004, 80005, 96006, 144009, 160010, 192012, 240015, 288018, 320020, 432027, 480030, 576036, 720045, 864054, 960060, 1440090, 1728108, 2160135, 2880180, 4320270, 8640540]

約数ペア:

[(1, 8640540), (2, 4320270), (3, 2880180), (4, 2160135), (5, 1728108), (6, 1440090), (9, 960060), (10, 864054), (12, 720045), (15, 576036), (18, 480030), (20, 432027), (27, 320020), (30, 288018), (36, 240015), (45, 192012), (54, 160010), (60, 144009), (90, 96006), (108, 80005), (135, 64004), (180, 48003), (270, 32002), (540, 16001)]