247591960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{80387}}^1$

素因数の和:80416

約数の個数: 64

約数和(自身を含む): 694552320

約数和(自身を除く): 446960360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 80387, 160774, 321548, 401935, 562709, 643096, 803870, 884257, 1125418, 1607740, 1768514, 2250836, 2813545, 3215480, 3537028, 4421285, 4501672, 5627090, 6189799, 7074056, 8842570, 11254180, 12379598, 17685140, 22508360, 24759196, 30948995, 35370280, 49518392, 61897990, 123795980, 247591960]

約数ペア:

[(1, 247591960), (2, 123795980), (4, 61897990), (5, 49518392), (7, 35370280), (8, 30948995), (10, 24759196), (11, 22508360), (14, 17685140), (20, 12379598), (22, 11254180), (28, 8842570), (35, 7074056), (40, 6189799), (44, 5627090), (55, 4501672), (56, 4421285), (70, 3537028), (77, 3215480), (88, 2813545), (110, 2250836), (140, 1768514), (154, 1607740), (220, 1125418), (280, 884257), (308, 803870), (385, 643096), (440, 562709), (616, 401935), (770, 321548), (1540, 160774), (3080, 80387)]