28244820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27691}}^1$

素因数の和:27720

約数の個数: 48

約数和(自身を含む): 83740608

約数和(自身を除く): 55495788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 27691, 55382, 83073, 110764, 138455, 166146, 276910, 332292, 415365, 470747, 553820, 830730, 941494, 1412241, 1661460, 1882988, 2353735, 2824482, 4707470, 5648964, 7061205, 9414940, 14122410, 28244820]

約数ペア:

[(1, 28244820), (2, 14122410), (3, 9414940), (4, 7061205), (5, 5648964), (6, 4707470), (10, 2824482), (12, 2353735), (15, 1882988), (17, 1661460), (20, 1412241), (30, 941494), (34, 830730), (51, 553820), (60, 470747), (68, 415365), (85, 332292), (102, 276910), (170, 166146), (204, 138455), (255, 110764), (340, 83073), (510, 55382), (1020, 27691)]