289422080

素因数分解:

$2^8\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1307}}^1$

素因数の和:1501

約数の個数: 72

約数和(自身を含む): 697797072

約数和(自身を除く): 408374992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 256, 320, 346, 640, 692, 865, 1280, 1307, 1384, 1730, 2614, 2768, 3460, 5228, 5536, 6535, 6920, 10456, 11072, 13070, 13840, 20912, 22144, 26140, 27680, 41824, 44288, 52280, 55360, 83648, 104560, 110720, 167296, 209120, 221440, 226111, 334592, 418240, 452222, 836480, 904444, 1130555, 1672960, 1808888, 2261110, 3617776, 4522220, 7235552, 9044440, 14471104, 18088880, 28942208, 36177760, 57884416, 72355520, 144711040, 289422080]

約数ペア:

[(1, 289422080), (2, 144711040), (4, 72355520), (5, 57884416), (8, 36177760), (10, 28942208), (16, 18088880), (20, 14471104), (32, 9044440), (40, 7235552), (64, 4522220), (80, 3617776), (128, 2261110), (160, 1808888), (173, 1672960), (256, 1130555), (320, 904444), (346, 836480), (640, 452222), (692, 418240), (865, 334592), (1280, 226111), (1307, 221440), (1384, 209120), (1730, 167296), (2614, 110720), (2768, 104560), (3460, 83648), (5228, 55360), (5536, 52280), (6535, 44288), (6920, 41824), (10456, 27680), (11072, 26140), (13070, 22144), (13840, 20912)]