206428320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20479}}^1$

素因数の和:20507

約数の個数: 144

約数和(自身を含む): 805109760

約数和(自身を除く): 598681440

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, 20479, 40958, 61437, 81916, 102395, 122874, 143353, 163832, 184311, 204790, 245748, 286706, 307185, 327664, 368622, 409580, 430059, 491496, 573412, 614370, 655328, 716765, 737244, 819160, 860118, 921555, 982992, 1146824, 1228740, 1290177, 1433530, 1474488, 1638320, 1720236, 1843110, 1965984, 2150295, 2293648, 2457480, 2580354, 2867060, 2948976, 3276640, 3440472, 3686220, 4300590, 4587296, 4914960, 5160708, 5734120, 5897952, 6450885, 6880944, 7372440, 8601180, 9829920, 10321416, 11468240, 12901770, 13761888, 14744880, 17202360, 20642832, 22936480, 25803540, 29489760, 34404720, 41285664, 51607080, 68809440, 103214160, 206428320]

約数ペア:

[(1, 206428320), (2, 103214160), (3, 68809440), (4, 51607080), (5, 41285664), (6, 34404720), (7, 29489760), (8, 25803540), (9, 22936480), (10, 20642832), (12, 17202360), (14, 14744880), (15, 13761888), (16, 12901770), (18, 11468240), (20, 10321416), (21, 9829920), (24, 8601180), (28, 7372440), (30, 6880944), (32, 6450885), (35, 5897952), (36, 5734120), (40, 5160708), (42, 4914960), (45, 4587296), (48, 4300590), (56, 3686220), (60, 3440472), (63, 3276640), (70, 2948976), (72, 2867060), (80, 2580354), (84, 2457480), (90, 2293648), (96, 2150295), (105, 1965984), (112, 1843110), (120, 1720236), (126, 1638320), (140, 1474488), (144, 1433530), (160, 1290177), (168, 1228740), (180, 1146824), (210, 982992), (224, 921555), (240, 860118), (252, 819160), (280, 737244), (288, 716765), (315, 655328), (336, 614370), (360, 573412), (420, 491496), (480, 430059), (504, 409580), (560, 368622), (630, 327664), (672, 307185), (720, 286706), (840, 245748), (1008, 204790), (1120, 184311), (1260, 163832), (1440, 143353), (1680, 122874), (2016, 102395), (2520, 81916), (3360, 61437), (5040, 40958), (10080, 20479)]