2171880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{2011}}^1$

素因数の和:2031

約数の個数: 64

約数和(自身を含む): 7243200

約数和(自身を除く): 5071320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 2011, 4022, 6033, 8044, 10055, 12066, 16088, 18099, 20110, 24132, 30165, 36198, 40220, 48264, 54297, 60330, 72396, 80440, 90495, 108594, 120660, 144792, 180990, 217188, 241320, 271485, 361980, 434376, 542970, 723960, 1085940, 2171880]

約数ペア:

[(1, 2171880), (2, 1085940), (3, 723960), (4, 542970), (5, 434376), (6, 361980), (8, 271485), (9, 241320), (10, 217188), (12, 180990), (15, 144792), (18, 120660), (20, 108594), (24, 90495), (27, 80440), (30, 72396), (36, 60330), (40, 54297), (45, 48264), (54, 40220), (60, 36198), (72, 30165), (90, 24132), (108, 20110), (120, 18099), (135, 16088), (180, 12066), (216, 10055), (270, 8044), (360, 6033), (540, 4022), (1080, 2011)]