260734140

素因数分解:

$2^2\times 3^8\times 5^1\times {\mathrm{1987}}^1$

素因数の和:2020

約数の個数: 108

約数和(自身を含む): 821684136

約数和(自身を除く): 560949996

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, 2187, 2430, 2916, 3645, 3974, 4374, 4860, 5961, 6561, 7290, 7948, 8748, 9935, 10935, 11922, 13122, 14580, 17883, 19870, 21870, 23844, 26244, 29805, 32805, 35766, 39740, 43740, 53649, 59610, 65610, 71532, 89415, 107298, 119220, 131220, 160947, 178830, 214596, 268245, 321894, 357660, 482841, 536490, 643788, 804735, 965682, 1072980, 1448523, 1609470, 1931364, 2414205, 2897046, 3218940, 4345569, 4828410, 5794092, 7242615, 8691138, 9656820, 13036707, 14485230, 17382276, 21727845, 26073414, 28970460, 43455690, 52146828, 65183535, 86911380, 130367070, 260734140]

約数ペア:

[(1, 260734140), (2, 130367070), (3, 86911380), (4, 65183535), (5, 52146828), (6, 43455690), (9, 28970460), (10, 26073414), (12, 21727845), (15, 17382276), (18, 14485230), (20, 13036707), (27, 9656820), (30, 8691138), (36, 7242615), (45, 5794092), (54, 4828410), (60, 4345569), (81, 3218940), (90, 2897046), (108, 2414205), (135, 1931364), (162, 1609470), (180, 1448523), (243, 1072980), (270, 965682), (324, 804735), (405, 643788), (486, 536490), (540, 482841), (729, 357660), (810, 321894), (972, 268245), (1215, 214596), (1458, 178830), (1620, 160947), (1987, 131220), (2187, 119220), (2430, 107298), (2916, 89415), (3645, 71532), (3974, 65610), (4374, 59610), (4860, 53649), (5961, 43740), (6561, 39740), (7290, 35766), (7948, 32805), (8748, 29805), (9935, 26244), (10935, 23844), (11922, 21870), (13122, 19870), (14580, 17883)]