81355320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75329}}^1$

素因数の和:75349

約数の個数: 64

約数和(自身を含む): 271188000

約数和(自身を除く): 189832680

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, 75329, 150658, 225987, 301316, 376645, 451974, 602632, 677961, 753290, 903948, 1129935, 1355922, 1506580, 1807896, 2033883, 2259870, 2711844, 3013160, 3389805, 4067766, 4519740, 5423688, 6779610, 8135532, 9039480, 10169415, 13559220, 16271064, 20338830, 27118440, 40677660, 81355320]

約数ペア:

[(1, 81355320), (2, 40677660), (3, 27118440), (4, 20338830), (5, 16271064), (6, 13559220), (8, 10169415), (9, 9039480), (10, 8135532), (12, 6779610), (15, 5423688), (18, 4519740), (20, 4067766), (24, 3389805), (27, 3013160), (30, 2711844), (36, 2259870), (40, 2033883), (45, 1807896), (54, 1506580), (60, 1355922), (72, 1129935), (90, 903948), (108, 753290), (120, 677961), (135, 602632), (180, 451974), (216, 376645), (270, 301316), (360, 225987), (540, 150658), (1080, 75329)]