81579180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15277}}^1$

素因数の和:15378

約数の個数: 48

約数和(自身を含む): 231003360

約数和(自身を除く): 149424180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 15277, 30554, 45831, 61108, 76385, 91662, 152770, 183324, 229155, 305540, 458310, 916620, 1359653, 2719306, 4078959, 5438612, 6798265, 8157918, 13596530, 16315836, 20394795, 27193060, 40789590, 81579180]

約数ペア:

[(1, 81579180), (2, 40789590), (3, 27193060), (4, 20394795), (5, 16315836), (6, 13596530), (10, 8157918), (12, 6798265), (15, 5438612), (20, 4078959), (30, 2719306), (60, 1359653), (89, 916620), (178, 458310), (267, 305540), (356, 229155), (445, 183324), (534, 152770), (890, 91662), (1068, 76385), (1335, 61108), (1780, 45831), (2670, 30554), (5340, 15277)]