28238220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17431}}^1$

素因数の和:17452

約数の個数: 60

約数和(自身を含む): 88589424

約数和(自身を除く): 60351204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 17431, 34862, 52293, 69724, 87155, 104586, 156879, 174310, 209172, 261465, 313758, 348620, 470637, 522930, 627516, 784395, 941274, 1045860, 1411911, 1568790, 1882548, 2353185, 2823822, 3137580, 4706370, 5647644, 7059555, 9412740, 14119110, 28238220]

約数ペア:

[(1, 28238220), (2, 14119110), (3, 9412740), (4, 7059555), (5, 5647644), (6, 4706370), (9, 3137580), (10, 2823822), (12, 2353185), (15, 1882548), (18, 1568790), (20, 1411911), (27, 1045860), (30, 941274), (36, 784395), (45, 627516), (54, 522930), (60, 470637), (81, 348620), (90, 313758), (108, 261465), (135, 209172), (162, 174310), (180, 156879), (270, 104586), (324, 87155), (405, 69724), (540, 52293), (810, 34862), (1620, 17431)]