12615660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:767

約数の個数: 72

約数和(自身を含む): 38678640

約数和(自身を除く): 26062980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 643, 654, 981, 1090, 1286, 1308, 1635, 1929, 1962, 2180, 2572, 3215, 3270, 3858, 3924, 4905, 5787, 6430, 6540, 7716, 9645, 9810, 11574, 12860, 19290, 19620, 23148, 28935, 38580, 57870, 70087, 115740, 140174, 210261, 280348, 350435, 420522, 630783, 700870, 841044, 1051305, 1261566, 1401740, 2102610, 2523132, 3153915, 4205220, 6307830, 12615660]

約数ペア:

[(1, 12615660), (2, 6307830), (3, 4205220), (4, 3153915), (5, 2523132), (6, 2102610), (9, 1401740), (10, 1261566), (12, 1051305), (15, 841044), (18, 700870), (20, 630783), (30, 420522), (36, 350435), (45, 280348), (60, 210261), (90, 140174), (109, 115740), (180, 70087), (218, 57870), (327, 38580), (436, 28935), (545, 23148), (643, 19620), (654, 19290), (981, 12860), (1090, 11574), (1286, 9810), (1308, 9645), (1635, 7716), (1929, 6540), (1962, 6430), (2180, 5787), (2572, 4905), (3215, 3924), (3270, 3858)]