11921220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 36568896

約数和(自身を除く): 24647676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 643, 927, 1030, 1236, 1286, 1545, 1854, 1929, 2060, 2572, 3090, 3215, 3708, 3858, 4635, 5787, 6180, 6430, 7716, 9270, 9645, 11574, 12860, 18540, 19290, 23148, 28935, 38580, 57870, 66229, 115740, 132458, 198687, 264916, 331145, 397374, 596061, 662290, 794748, 993435, 1192122, 1324580, 1986870, 2384244, 2980305, 3973740, 5960610, 11921220]

約数ペア:

[(1, 11921220), (2, 5960610), (3, 3973740), (4, 2980305), (5, 2384244), (6, 1986870), (9, 1324580), (10, 1192122), (12, 993435), (15, 794748), (18, 662290), (20, 596061), (30, 397374), (36, 331145), (45, 264916), (60, 198687), (90, 132458), (103, 115740), (180, 66229), (206, 57870), (309, 38580), (412, 28935), (515, 23148), (618, 19290), (643, 18540), (927, 12860), (1030, 11574), (1236, 9645), (1286, 9270), (1545, 7716), (1854, 6430), (1929, 6180), (2060, 5787), (2572, 4635), (3090, 3858), (3215, 3708)]