28124820

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{643}}^1$

素因数の和:673

約数の個数: 96

約数和(自身を含む): 88717440

約数和(自身を除く): 60592620

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, 643, 729, 810, 972, 1215, 1286, 1458, 1620, 1929, 2187, 2430, 2572, 2916, 3215, 3645, 3858, 4374, 4860, 5787, 6430, 7290, 7716, 8748, 9645, 10935, 11574, 12860, 14580, 17361, 19290, 21870, 23148, 28935, 34722, 38580, 43740, 52083, 57870, 69444, 86805, 104166, 115740, 156249, 173610, 208332, 260415, 312498, 347220, 468747, 520830, 624996, 781245, 937494, 1041660, 1406241, 1562490, 1874988, 2343735, 2812482, 3124980, 4687470, 5624964, 7031205, 9374940, 14062410, 28124820]

約数ペア:

[(1, 28124820), (2, 14062410), (3, 9374940), (4, 7031205), (5, 5624964), (6, 4687470), (9, 3124980), (10, 2812482), (12, 2343735), (15, 1874988), (18, 1562490), (20, 1406241), (27, 1041660), (30, 937494), (36, 781245), (45, 624996), (54, 520830), (60, 468747), (81, 347220), (90, 312498), (108, 260415), (135, 208332), (162, 173610), (180, 156249), (243, 115740), (270, 104166), (324, 86805), (405, 69444), (486, 57870), (540, 52083), (643, 43740), (729, 38580), (810, 34722), (972, 28935), (1215, 23148), (1286, 21870), (1458, 19290), (1620, 17361), (1929, 14580), (2187, 12860), (2430, 11574), (2572, 10935), (2916, 9645), (3215, 8748), (3645, 7716), (3858, 7290), (4374, 6430), (4860, 5787)]