28581660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{5881}}^1$

素因数の和:5905

約数の個数: 72

約数和(自身を含む): 89924016

約数和(自身を除く): 61342356

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, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 5881, 11762, 17643, 23524, 29405, 35286, 52929, 58810, 70572, 88215, 105858, 117620, 158787, 176430, 211716, 264645, 317574, 352860, 476361, 529290, 635148, 793935, 952722, 1058580, 1429083, 1587870, 1905444, 2381805, 2858166, 3175740, 4763610, 5716332, 7145415, 9527220, 14290830, 28581660]

約数ペア:

[(1, 28581660), (2, 14290830), (3, 9527220), (4, 7145415), (5, 5716332), (6, 4763610), (9, 3175740), (10, 2858166), (12, 2381805), (15, 1905444), (18, 1587870), (20, 1429083), (27, 1058580), (30, 952722), (36, 793935), (45, 635148), (54, 529290), (60, 476361), (81, 352860), (90, 317574), (108, 264645), (135, 211716), (162, 176430), (180, 158787), (243, 117620), (270, 105858), (324, 88215), (405, 70572), (486, 58810), (540, 52929), (810, 35286), (972, 29405), (1215, 23524), (1620, 17643), (2430, 11762), (4860, 5881)]