280712940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4678549}}^1$

素因数の和:4678561

約数の個数: 24

約数和(自身を含む): 785996400

約数和(自身を除く): 505283460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4678549, 9357098, 14035647, 18714196, 23392745, 28071294, 46785490, 56142588, 70178235, 93570980, 140356470, 280712940]

約数ペア:

[(1, 280712940), (2, 140356470), (3, 93570980), (4, 70178235), (5, 56142588), (6, 46785490), (10, 28071294), (12, 23392745), (15, 18714196), (20, 14035647), (30, 9357098), (60, 4678549)]