206730720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20509}}^1$

素因数の和:20537

約数の個数: 144

約数和(自身を含む): 806289120

約数和(自身を除く): 599558400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20509, 41018, 61527, 82036, 102545, 123054, 143563, 164072, 184581, 205090, 246108, 287126, 307635, 328144, 369162, 410180, 430689, 492216, 574252, 615270, 656288, 717815, 738324, 820360, 861378, 922905, 984432, 1148504, 1230540, 1292067, 1435630, 1476648, 1640720, 1722756, 1845810, 1968864, 2153445, 2297008, 2461080, 2584134, 2871260, 2953296, 3281440, 3445512, 3691620, 4306890, 4594016, 4922160, 5168268, 5742520, 5906592, 6460335, 6891024, 7383240, 8613780, 9844320, 10336536, 11485040, 12920670, 13782048, 14766480, 17227560, 20673072, 22970080, 25841340, 29532960, 34455120, 41346144, 51682680, 68910240, 103365360, 206730720]

約数ペア:

[(1, 206730720), (2, 103365360), (3, 68910240), (4, 51682680), (5, 41346144), (6, 34455120), (7, 29532960), (8, 25841340), (9, 22970080), (10, 20673072), (12, 17227560), (14, 14766480), (15, 13782048), (16, 12920670), (18, 11485040), (20, 10336536), (21, 9844320), (24, 8613780), (28, 7383240), (30, 6891024), (32, 6460335), (35, 5906592), (36, 5742520), (40, 5168268), (42, 4922160), (45, 4594016), (48, 4306890), (56, 3691620), (60, 3445512), (63, 3281440), (70, 2953296), (72, 2871260), (80, 2584134), (84, 2461080), (90, 2297008), (96, 2153445), (105, 1968864), (112, 1845810), (120, 1722756), (126, 1640720), (140, 1476648), (144, 1435630), (160, 1292067), (168, 1230540), (180, 1148504), (210, 984432), (224, 922905), (240, 861378), (252, 820360), (280, 738324), (288, 717815), (315, 656288), (336, 615270), (360, 574252), (420, 492216), (480, 430689), (504, 410180), (560, 369162), (630, 328144), (672, 307635), (720, 287126), (840, 246108), (1008, 205090), (1120, 184581), (1260, 164072), (1440, 143563), (1680, 123054), (2016, 102545), (2520, 82036), (3360, 61527), (5040, 41018), (10080, 20509)]