68645880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{21187}}^1$

素因数の和:21210

約数の個数: 80

約数和(自身を含む): 230737320

約数和(自身を除く): 162091440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 21187, 42374, 63561, 84748, 105935, 127122, 169496, 190683, 211870, 254244, 317805, 381366, 423740, 508488, 572049, 635610, 762732, 847480, 953415, 1144098, 1271220, 1525464, 1716147, 1906830, 2288196, 2542440, 2860245, 3432294, 3813660, 4576392, 5720490, 6864588, 7627320, 8580735, 11440980, 13729176, 17161470, 22881960, 34322940, 68645880]

約数ペア:

[(1, 68645880), (2, 34322940), (3, 22881960), (4, 17161470), (5, 13729176), (6, 11440980), (8, 8580735), (9, 7627320), (10, 6864588), (12, 5720490), (15, 4576392), (18, 3813660), (20, 3432294), (24, 2860245), (27, 2542440), (30, 2288196), (36, 1906830), (40, 1716147), (45, 1525464), (54, 1271220), (60, 1144098), (72, 953415), (81, 847480), (90, 762732), (108, 635610), (120, 572049), (135, 508488), (162, 423740), (180, 381366), (216, 317805), (270, 254244), (324, 211870), (360, 190683), (405, 169496), (540, 127122), (648, 105935), (810, 84748), (1080, 63561), (1620, 42374), (3240, 21187)]