28528080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{16981}}^1$

素因数の和:17004

約数の個数: 80

約数和(自身を含む): 101076864

約数和(自身を除く): 72548784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 16981, 33962, 50943, 67924, 84905, 101886, 118867, 135848, 169810, 203772, 237734, 254715, 271696, 339620, 356601, 407544, 475468, 509430, 594335, 679240, 713202, 815088, 950936, 1018860, 1188670, 1358480, 1426404, 1783005, 1901872, 2037720, 2377340, 2852808, 3566010, 4075440, 4754680, 5705616, 7132020, 9509360, 14264040, 28528080]

約数ペア:

[(1, 28528080), (2, 14264040), (3, 9509360), (4, 7132020), (5, 5705616), (6, 4754680), (7, 4075440), (8, 3566010), (10, 2852808), (12, 2377340), (14, 2037720), (15, 1901872), (16, 1783005), (20, 1426404), (21, 1358480), (24, 1188670), (28, 1018860), (30, 950936), (35, 815088), (40, 713202), (42, 679240), (48, 594335), (56, 509430), (60, 475468), (70, 407544), (80, 356601), (84, 339620), (105, 271696), (112, 254715), (120, 237734), (140, 203772), (168, 169810), (210, 135848), (240, 118867), (280, 101886), (336, 84905), (420, 67924), (560, 50943), (840, 33962), (1680, 16981)]