30480560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1823}}^1$

素因数の和:1866

約数の個数: 80

約数和(自身を含む): 81423360

約数和(自身を除く): 50942800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 1823, 2090, 3344, 3646, 4180, 7292, 8360, 9115, 14584, 16720, 18230, 20053, 29168, 34637, 36460, 40106, 69274, 72920, 80212, 100265, 138548, 145840, 160424, 173185, 200530, 277096, 320848, 346370, 381007, 401060, 554192, 692740, 762014, 802120, 1385480, 1524028, 1604240, 1905035, 2770960, 3048056, 3810070, 6096112, 7620140, 15240280, 30480560]

約数ペア:

[(1, 30480560), (2, 15240280), (4, 7620140), (5, 6096112), (8, 3810070), (10, 3048056), (11, 2770960), (16, 1905035), (19, 1604240), (20, 1524028), (22, 1385480), (38, 802120), (40, 762014), (44, 692740), (55, 554192), (76, 401060), (80, 381007), (88, 346370), (95, 320848), (110, 277096), (152, 200530), (176, 173185), (190, 160424), (209, 145840), (220, 138548), (304, 100265), (380, 80212), (418, 72920), (440, 69274), (760, 40106), (836, 36460), (880, 34637), (1045, 29168), (1520, 20053), (1672, 18230), (1823, 16720), (2090, 14584), (3344, 9115), (3646, 8360), (4180, 7292)]