211985640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{593}}^1$

素因数の和:944

約数の個数: 128

約数和(自身を含む): 709948800

約数和(自身を除く): 497963160

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, 90, 108, 120, 135, 180, 216, 270, 331, 360, 540, 593, 662, 993, 1080, 1186, 1324, 1655, 1779, 1986, 2372, 2648, 2965, 2979, 3310, 3558, 3972, 4744, 4965, 5337, 5930, 5958, 6620, 7116, 7944, 8895, 8937, 9930, 10674, 11860, 11916, 13240, 14232, 14895, 16011, 17790, 17874, 19860, 21348, 23720, 23832, 26685, 29790, 32022, 35580, 35748, 39720, 42696, 44685, 53370, 59580, 64044, 71160, 71496, 80055, 89370, 106740, 119160, 128088, 160110, 178740, 196283, 213480, 320220, 357480, 392566, 588849, 640440, 785132, 981415, 1177698, 1570264, 1766547, 1962830, 2355396, 2944245, 3533094, 3925660, 4710792, 5299641, 5888490, 7066188, 7851320, 8832735, 10599282, 11776980, 14132376, 17665470, 21198564, 23553960, 26498205, 35330940, 42397128, 52996410, 70661880, 105992820, 211985640]

約数ペア:

[(1, 211985640), (2, 105992820), (3, 70661880), (4, 52996410), (5, 42397128), (6, 35330940), (8, 26498205), (9, 23553960), (10, 21198564), (12, 17665470), (15, 14132376), (18, 11776980), (20, 10599282), (24, 8832735), (27, 7851320), (30, 7066188), (36, 5888490), (40, 5299641), (45, 4710792), (54, 3925660), (60, 3533094), (72, 2944245), (90, 2355396), (108, 1962830), (120, 1766547), (135, 1570264), (180, 1177698), (216, 981415), (270, 785132), (331, 640440), (360, 588849), (540, 392566), (593, 357480), (662, 320220), (993, 213480), (1080, 196283), (1186, 178740), (1324, 160110), (1655, 128088), (1779, 119160), (1986, 106740), (2372, 89370), (2648, 80055), (2965, 71496), (2979, 71160), (3310, 64044), (3558, 59580), (3972, 53370), (4744, 44685), (4965, 42696), (5337, 39720), (5930, 35748), (5958, 35580), (6620, 32022), (7116, 29790), (7944, 26685), (8895, 23832), (8937, 23720), (9930, 21348), (10674, 19860), (11860, 17874), (11916, 17790), (13240, 16011), (14232, 14895)]