12721320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11779}}^1$

素因数の和:11799

約数の個数: 64

約数和(自身を含む): 42408000

約数和(自身を除く): 29686680

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, 11779, 23558, 35337, 47116, 58895, 70674, 94232, 106011, 117790, 141348, 176685, 212022, 235580, 282696, 318033, 353370, 424044, 471160, 530055, 636066, 706740, 848088, 1060110, 1272132, 1413480, 1590165, 2120220, 2544264, 3180330, 4240440, 6360660, 12721320]

約数ペア:

[(1, 12721320), (2, 6360660), (3, 4240440), (4, 3180330), (5, 2544264), (6, 2120220), (8, 1590165), (9, 1413480), (10, 1272132), (12, 1060110), (15, 848088), (18, 706740), (20, 636066), (24, 530055), (27, 471160), (30, 424044), (36, 353370), (40, 318033), (45, 282696), (54, 235580), (60, 212022), (72, 176685), (90, 141348), (108, 117790), (120, 106011), (135, 94232), (180, 70674), (216, 58895), (270, 47116), (360, 35337), (540, 23558), (1080, 11779)]