81709860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1361831}}^1$

素因数の和:1361843

約数の個数: 24

約数和(自身を含む): 228787776

約数和(自身を除く): 147077916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1361831, 2723662, 4085493, 5447324, 6809155, 8170986, 13618310, 16341972, 20427465, 27236620, 40854930, 81709860]

約数ペア:

[(1, 81709860), (2, 40854930), (3, 27236620), (4, 20427465), (5, 16341972), (6, 13618310), (10, 8170986), (12, 6809155), (15, 5447324), (20, 4085493), (30, 2723662), (60, 1361831)]