1273750280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{70607}}^1$

素因数の和:70670

約数の個数: 64

約数和(自身を含む): 3202778880

約数和(自身を除く): 1929028600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 9020, 18040, 70607, 141214, 282428, 353035, 564856, 706070, 776677, 1412140, 1553354, 2824280, 2894887, 3106708, 3883385, 5789774, 6213416, 7766770, 11579548, 14474435, 15533540, 23159096, 28948870, 31067080, 31843757, 57897740, 63687514, 115795480, 127375028, 159218785, 254750056, 318437570, 636875140, 1273750280]

約数ペア:

[(1, 1273750280), (2, 636875140), (4, 318437570), (5, 254750056), (8, 159218785), (10, 127375028), (11, 115795480), (20, 63687514), (22, 57897740), (40, 31843757), (41, 31067080), (44, 28948870), (55, 23159096), (82, 15533540), (88, 14474435), (110, 11579548), (164, 7766770), (205, 6213416), (220, 5789774), (328, 3883385), (410, 3106708), (440, 2894887), (451, 2824280), (820, 1553354), (902, 1412140), (1640, 776677), (1804, 706070), (2255, 564856), (3608, 353035), (4510, 282428), (9020, 141214), (18040, 70607)]