3218940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{1987}}^1$

素因数の和:2008

約数の個数: 60

約数和(自身を含む): 10103016

約数和(自身を除く): 6884076

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, 1987, 3974, 5961, 7948, 9935, 11922, 17883, 19870, 23844, 29805, 35766, 39740, 53649, 59610, 71532, 89415, 107298, 119220, 160947, 178830, 214596, 268245, 321894, 357660, 536490, 643788, 804735, 1072980, 1609470, 3218940]

約数ペア:

[(1, 3218940), (2, 1609470), (3, 1072980), (4, 804735), (5, 643788), (6, 536490), (9, 357660), (10, 321894), (12, 268245), (15, 214596), (18, 178830), (20, 160947), (27, 119220), (30, 107298), (36, 89415), (45, 71532), (54, 59610), (60, 53649), (81, 39740), (90, 35766), (108, 29805), (135, 23844), (162, 19870), (180, 17883), (270, 11922), (324, 9935), (405, 7948), (540, 5961), (810, 3974), (1620, 1987)]