68087680

素因数分解:

$2^7\times 5^1\times {\mathrm{191}}^1\times {\mathrm{557}}^1$

素因数の和:767

約数の個数: 64

約数和(自身を含む): 163918080

約数和(自身を除く): 95830400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 320, 382, 557, 640, 764, 955, 1114, 1528, 1910, 2228, 2785, 3056, 3820, 4456, 5570, 6112, 7640, 8912, 11140, 12224, 15280, 17824, 22280, 24448, 30560, 35648, 44560, 61120, 71296, 89120, 106387, 122240, 178240, 212774, 356480, 425548, 531935, 851096, 1063870, 1702192, 2127740, 3404384, 4255480, 6808768, 8510960, 13617536, 17021920, 34043840, 68087680]

約数ペア:

[(1, 68087680), (2, 34043840), (4, 17021920), (5, 13617536), (8, 8510960), (10, 6808768), (16, 4255480), (20, 3404384), (32, 2127740), (40, 1702192), (64, 1063870), (80, 851096), (128, 531935), (160, 425548), (191, 356480), (320, 212774), (382, 178240), (557, 122240), (640, 106387), (764, 89120), (955, 71296), (1114, 61120), (1528, 44560), (1910, 35648), (2228, 30560), (2785, 24448), (3056, 22280), (3820, 17824), (4456, 15280), (5570, 12224), (6112, 11140), (7640, 8912)]