64618155

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1038

約数の個数: 80

約数和(自身を含む): 138276864

約数和(自身を除く): 73658709

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 81, 105, 115, 135, 161, 189, 207, 315, 345, 405, 483, 567, 621, 805, 945, 991, 1035, 1449, 1863, 2415, 2835, 2973, 3105, 4347, 4955, 6937, 7245, 8919, 9315, 13041, 14865, 20811, 21735, 22793, 26757, 34685, 44595, 62433, 65205, 68379, 80271, 104055, 113965, 133785, 159551, 187299, 205137, 312165, 341895, 401355, 478653, 561897, 615411, 797755, 936495, 1025685, 1435959, 1846233, 2393265, 2809485, 3077055, 4307877, 7179795, 9231165, 12923631, 21539385, 64618155]

約数ペア:

[(1, 64618155), (3, 21539385), (5, 12923631), (7, 9231165), (9, 7179795), (15, 4307877), (21, 3077055), (23, 2809485), (27, 2393265), (35, 1846233), (45, 1435959), (63, 1025685), (69, 936495), (81, 797755), (105, 615411), (115, 561897), (135, 478653), (161, 401355), (189, 341895), (207, 312165), (315, 205137), (345, 187299), (405, 159551), (483, 133785), (567, 113965), (621, 104055), (805, 80271), (945, 68379), (991, 65205), (1035, 62433), (1449, 44595), (1863, 34685), (2415, 26757), (2835, 22793), (2973, 21735), (3105, 20811), (4347, 14865), (4955, 13041), (6937, 9315), (7245, 8919)]