28906080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{1229}}^1$

素因数の和:1261

約数の個数: 144

約数和(自身を含む): 106006320

約数和(自身を除く): 77100240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1229, 1470, 1568, 1680, 1960, 2352, 2458, 2940, 3360, 3687, 3920, 4704, 4916, 5880, 6145, 7374, 7840, 8603, 9832, 11760, 12290, 14748, 17206, 18435, 19664, 23520, 24580, 25809, 29496, 34412, 36870, 39328, 43015, 49160, 51618, 58992, 60221, 68824, 73740, 86030, 98320, 103236, 117984, 120442, 129045, 137648, 147480, 172060, 180663, 196640, 206472, 240884, 258090, 275296, 294960, 301105, 344120, 361326, 412944, 481768, 516180, 589920, 602210, 688240, 722652, 825888, 903315, 963536, 1032360, 1204420, 1376480, 1445304, 1806630, 1927072, 2064720, 2408840, 2890608, 3613260, 4129440, 4817680, 5781216, 7226520, 9635360, 14453040, 28906080]

約数ペア:

[(1, 28906080), (2, 14453040), (3, 9635360), (4, 7226520), (5, 5781216), (6, 4817680), (7, 4129440), (8, 3613260), (10, 2890608), (12, 2408840), (14, 2064720), (15, 1927072), (16, 1806630), (20, 1445304), (21, 1376480), (24, 1204420), (28, 1032360), (30, 963536), (32, 903315), (35, 825888), (40, 722652), (42, 688240), (48, 602210), (49, 589920), (56, 516180), (60, 481768), (70, 412944), (80, 361326), (84, 344120), (96, 301105), (98, 294960), (105, 275296), (112, 258090), (120, 240884), (140, 206472), (147, 196640), (160, 180663), (168, 172060), (196, 147480), (210, 137648), (224, 129045), (240, 120442), (245, 117984), (280, 103236), (294, 98320), (336, 86030), (392, 73740), (420, 68824), (480, 60221), (490, 58992), (560, 51618), (588, 49160), (672, 43015), (735, 39328), (784, 36870), (840, 34412), (980, 29496), (1120, 25809), (1176, 24580), (1229, 23520), (1470, 19664), (1568, 18435), (1680, 17206), (1960, 14748), (2352, 12290), (2458, 11760), (2940, 9832), (3360, 8603), (3687, 7840), (3920, 7374), (4704, 6145), (4916, 5880)]