12128940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{7487}}^1$

素因数の和:7508

約数の個数: 60

約数和(自身を含む): 38054016

約数和(自身を除く): 25925076

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, 270, 324, 405, 540, 810, 1620, 7487, 14974, 22461, 29948, 37435, 44922, 67383, 74870, 89844, 112305, 134766, 149740, 202149, 224610, 269532, 336915, 404298, 449220, 606447, 673830, 808596, 1010745, 1212894, 1347660, 2021490, 2425788, 3032235, 4042980, 6064470, 12128940]

約数ペア:

[(1, 12128940), (2, 6064470), (3, 4042980), (4, 3032235), (5, 2425788), (6, 2021490), (9, 1347660), (10, 1212894), (12, 1010745), (15, 808596), (18, 673830), (20, 606447), (27, 449220), (30, 404298), (36, 336915), (45, 269532), (54, 224610), (60, 202149), (81, 149740), (90, 134766), (108, 112305), (135, 89844), (162, 74870), (180, 67383), (270, 44922), (324, 37435), (405, 29948), (540, 22461), (810, 14974), (1620, 7487)]