15240280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1823}}^1$

素因数の和:1864

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 24158120

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 1823, 2090, 3646, 4180, 7292, 8360, 9115, 14584, 18230, 20053, 34637, 36460, 40106, 69274, 72920, 80212, 100265, 138548, 160424, 173185, 200530, 277096, 346370, 381007, 401060, 692740, 762014, 802120, 1385480, 1524028, 1905035, 3048056, 3810070, 7620140, 15240280]

約数ペア:

[(1, 15240280), (2, 7620140), (4, 3810070), (5, 3048056), (8, 1905035), (10, 1524028), (11, 1385480), (19, 802120), (20, 762014), (22, 692740), (38, 401060), (40, 381007), (44, 346370), (55, 277096), (76, 200530), (88, 173185), (95, 160424), (110, 138548), (152, 100265), (190, 80212), (209, 72920), (220, 69274), (380, 40106), (418, 36460), (440, 34637), (760, 20053), (836, 18230), (1045, 14584), (1672, 9115), (1823, 8360), (2090, 7292), (3646, 4180)]