72355520

素因数分解:

$2^6\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1307}}^1$

素因数の和:1497

約数の個数: 56

約数和(自身を含む): 173425104

約数和(自身を除く): 101069584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 173, 320, 346, 692, 865, 1307, 1384, 1730, 2614, 2768, 3460, 5228, 5536, 6535, 6920, 10456, 11072, 13070, 13840, 20912, 26140, 27680, 41824, 52280, 55360, 83648, 104560, 209120, 226111, 418240, 452222, 904444, 1130555, 1808888, 2261110, 3617776, 4522220, 7235552, 9044440, 14471104, 18088880, 36177760, 72355520]

約数ペア:

[(1, 72355520), (2, 36177760), (4, 18088880), (5, 14471104), (8, 9044440), (10, 7235552), (16, 4522220), (20, 3617776), (32, 2261110), (40, 1808888), (64, 1130555), (80, 904444), (160, 452222), (173, 418240), (320, 226111), (346, 209120), (692, 104560), (865, 83648), (1307, 55360), (1384, 52280), (1730, 41824), (2614, 27680), (2768, 26140), (3460, 20912), (5228, 13840), (5536, 13070), (6535, 11072), (6920, 10456)]