28970460

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1987}}^1$

素因数の和:2014

約数の個数: 84

約数和(自身を含む): 91261128

約数和(自身を除く): 62290668

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, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 1987, 2430, 2916, 3645, 3974, 4860, 5961, 7290, 7948, 9935, 11922, 14580, 17883, 19870, 23844, 29805, 35766, 39740, 53649, 59610, 71532, 89415, 107298, 119220, 160947, 178830, 214596, 268245, 321894, 357660, 482841, 536490, 643788, 804735, 965682, 1072980, 1448523, 1609470, 1931364, 2414205, 2897046, 3218940, 4828410, 5794092, 7242615, 9656820, 14485230, 28970460]

約数ペア:

[(1, 28970460), (2, 14485230), (3, 9656820), (4, 7242615), (5, 5794092), (6, 4828410), (9, 3218940), (10, 2897046), (12, 2414205), (15, 1931364), (18, 1609470), (20, 1448523), (27, 1072980), (30, 965682), (36, 804735), (45, 643788), (54, 536490), (60, 482841), (81, 357660), (90, 321894), (108, 268245), (135, 214596), (162, 178830), (180, 160947), (243, 119220), (270, 107298), (324, 89415), (405, 71532), (486, 59610), (540, 53649), (729, 39740), (810, 35766), (972, 29805), (1215, 23844), (1458, 19870), (1620, 17883), (1987, 14580), (2430, 11922), (2916, 9935), (3645, 7948), (3974, 7290), (4860, 5961)]