209358960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6659}}^1$

素因数の和:6806

約数の個数: 80

約数和(自身を含む): 654065280

約数和(自身を除く): 444706320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 5240, 6288, 6659, 7860, 10480, 13318, 15720, 19977, 26636, 31440, 33295, 39954, 53272, 66590, 79908, 99885, 106544, 133180, 159816, 199770, 266360, 319632, 399540, 532720, 799080, 872329, 1598160, 1744658, 2616987, 3489316, 4361645, 5233974, 6978632, 8723290, 10467948, 13084935, 13957264, 17446580, 20935896, 26169870, 34893160, 41871792, 52339740, 69786320, 104679480, 209358960]

約数ペア:

[(1, 209358960), (2, 104679480), (3, 69786320), (4, 52339740), (5, 41871792), (6, 34893160), (8, 26169870), (10, 20935896), (12, 17446580), (15, 13957264), (16, 13084935), (20, 10467948), (24, 8723290), (30, 6978632), (40, 5233974), (48, 4361645), (60, 3489316), (80, 2616987), (120, 1744658), (131, 1598160), (240, 872329), (262, 799080), (393, 532720), (524, 399540), (655, 319632), (786, 266360), (1048, 199770), (1310, 159816), (1572, 133180), (1965, 106544), (2096, 99885), (2620, 79908), (3144, 66590), (3930, 53272), (5240, 39954), (6288, 33295), (6659, 31440), (7860, 26636), (10480, 19977), (13318, 15720)]