66375280

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 159989760

約数和(自身を除く): 93614480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 127, 139, 188, 235, 254, 278, 376, 470, 508, 556, 635, 695, 752, 940, 1016, 1112, 1270, 1390, 1880, 2032, 2224, 2540, 2780, 3760, 5080, 5560, 5969, 6533, 10160, 11120, 11938, 13066, 17653, 23876, 26132, 29845, 32665, 35306, 47752, 52264, 59690, 65330, 70612, 88265, 95504, 104528, 119380, 130660, 141224, 176530, 238760, 261320, 282448, 353060, 477520, 522640, 706120, 829691, 1412240, 1659382, 3318764, 4148455, 6637528, 8296910, 13275056, 16593820, 33187640, 66375280]

約数ペア:

[(1, 66375280), (2, 33187640), (4, 16593820), (5, 13275056), (8, 8296910), (10, 6637528), (16, 4148455), (20, 3318764), (40, 1659382), (47, 1412240), (80, 829691), (94, 706120), (127, 522640), (139, 477520), (188, 353060), (235, 282448), (254, 261320), (278, 238760), (376, 176530), (470, 141224), (508, 130660), (556, 119380), (635, 104528), (695, 95504), (752, 88265), (940, 70612), (1016, 65330), (1112, 59690), (1270, 52264), (1390, 47752), (1880, 35306), (2032, 32665), (2224, 29845), (2540, 26132), (2780, 23876), (3760, 17653), (5080, 13066), (5560, 11938), (5969, 11120), (6533, 10160)]