72945765

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 140507136

約数和(自身を除く): 67561371

約数列:

[1, 3, 5, 9, 15, 23, 27, 41, 45, 69, 81, 115, 123, 135, 191, 205, 207, 345, 369, 405, 573, 615, 621, 943, 955, 1035, 1107, 1719, 1845, 1863, 2829, 2865, 3105, 3321, 4393, 4715, 5157, 5535, 7831, 8487, 8595, 9315, 13179, 14145, 15471, 16605, 21965, 23493, 25461, 25785, 39155, 39537, 42435, 65895, 70479, 76383, 77355, 117465, 118611, 127305, 180113, 197685, 211437, 352395, 355833, 381915, 540339, 593055, 634311, 900565, 1057185, 1621017, 1779165, 2701695, 3171555, 4863051, 8105085, 14589153, 24315255, 72945765]

約数ペア:

[(1, 72945765), (3, 24315255), (5, 14589153), (9, 8105085), (15, 4863051), (23, 3171555), (27, 2701695), (41, 1779165), (45, 1621017), (69, 1057185), (81, 900565), (115, 634311), (123, 593055), (135, 540339), (191, 381915), (205, 355833), (207, 352395), (345, 211437), (369, 197685), (405, 180113), (573, 127305), (615, 118611), (621, 117465), (943, 77355), (955, 76383), (1035, 70479), (1107, 65895), (1719, 42435), (1845, 39537), (1863, 39155), (2829, 25785), (2865, 25461), (3105, 23493), (3321, 21965), (4393, 16605), (4715, 15471), (5157, 14145), (5535, 13179), (7831, 9315), (8487, 8595)]