84142980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{727}}^1$

素因数の和:1385

約数の個数: 72

約数和(自身を含む): 255982272

約数和(自身を除く): 171839292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 643, 727, 1286, 1454, 1929, 2181, 2572, 2908, 3215, 3635, 3858, 4362, 5787, 6430, 6543, 7270, 7716, 8724, 9645, 10905, 11574, 12860, 13086, 14540, 19290, 21810, 23148, 26172, 28935, 32715, 38580, 43620, 57870, 65430, 115740, 130860, 467461, 934922, 1402383, 1869844, 2337305, 2804766, 4207149, 4674610, 5609532, 7011915, 8414298, 9349220, 14023830, 16828596, 21035745, 28047660, 42071490, 84142980]

約数ペア:

[(1, 84142980), (2, 42071490), (3, 28047660), (4, 21035745), (5, 16828596), (6, 14023830), (9, 9349220), (10, 8414298), (12, 7011915), (15, 5609532), (18, 4674610), (20, 4207149), (30, 2804766), (36, 2337305), (45, 1869844), (60, 1402383), (90, 934922), (180, 467461), (643, 130860), (727, 115740), (1286, 65430), (1454, 57870), (1929, 43620), (2181, 38580), (2572, 32715), (2908, 28935), (3215, 26172), (3635, 23148), (3858, 21810), (4362, 19290), (5787, 14540), (6430, 13086), (6543, 12860), (7270, 11574), (7716, 10905), (8724, 9645)]